CVE-2021-3156
Sudo Heap-Based Buffer Overflow Vulnerability - [Actively Exploited]
Description
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
INFO
Published Date :
Jan. 26, 2021, 9:15 p.m.
Last Modified :
April 3, 2025, 7:47 p.m.
Remotely Exploit :
No
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Sudo contains an off-by-one error that can result in a heap-based buffer overflow, which allows for privilege escalation.
Apply updates per vendor instructions.
https://nvd.nist.gov/vuln/detail/CVE-2021-3156
Affected Products
The following products are affected by CVE-2021-3156
vulnerability.
Even if cvefeed.io
is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
---|---|---|---|---|---|---|
CVSS 2.0 | HIGH | [email protected] | ||||
CVSS 3.1 | HIGH | [email protected] | ||||
CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update the affected sudo packages.
- If available, upgrade associated packages, too.
Public PoC/Exploit Available at Github
CVE-2021-3156 has a 331 public
PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-3156
.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3156
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-3156
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
SoK: Preventing Real-World Exploits: A Practical Guideline and Taxonomy to LLVM's Control Flow Integrity
一个强大的Linux漏洞搜索工具,基于原始的[Linux -exploit- suggestion](https://github.com/mzet-/linux-exploit-suggester),专注于检测**2020-2024**期间最新的Linux内核特权升级漏洞。
Shell Python
None
🛡️ Cyber Security Internship - Task 3 Objective The objective of this task is to perform a basic vulnerability scan on the local machine using OpenVAS, identify potential security issues, and recommend fixes.
None
Python
None
Makefile Python Dockerfile PHP Hack CSS HTML Ruby Groovy Java
None
Shell
None
for when linpeas keeps on giving you that same few recommendations no matter what
Shell
Exploit para explotar la vulnerabilidad CVE-2025-32463
Shell
None
Makefile Python Dockerfile Shell C PHP Hack CSS HTML Ruby
OSCP Cheat Sheet
OSCP Cheat Sheet
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-3156
vulnerability anywhere in the article.

-
Daily CyberSecurity
The Telecom Threat: Liminal Panda’s Covert Campaign Targets Southwest Asian Critical Infrastructure
High-level chain of events in the attack investigated by Unit 42 In a revealing report by Palo Alto Networks’ Unit 42, a high-level cyberespionage campaign targeting critical telecommunications infras ... Read more

-
The Hacker News
CL-STA-0969 Installs Covert Malware in Telecom Networks During 10-Month Espionage Campaign
Telecommunications organizations in Southeast Asia have been targeted by a state-sponsored threat actor known as CL-STA-0969 to facilitate remote control over compromised networks. Palo Alto Networks ... Read more

-
Kaspersky
Exploits and vulnerabilities in Q1 2025
The first quarter of 2025 saw the continued publication of vulnerabilities discovered and fixed in 2024, as some researchers were previously unable to disclose the details. This partially shifted the ... Read more

-
The Register
Sudo-rs make me a sandwich, hold the buffer overflows
Canonical's Ubuntu 25.10 is set to make sudo-rs, a Rust-based rework of the classic sudo utility, the default – part of a push to cut memory-related security bugs and lock down core system components. ... Read more
The following table lists the changes that have been made to the
CVE-2021-3156
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Modified Analysis by [email protected]
Apr. 03, 2025
Action Type Old Value New Value -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Feb. 03, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-193 -
CPE Deprecation Remap by [email protected]
Jan. 14, 2025
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:synology:diskstation_manager:6.2:*:*:*:*:*:*:* OR *cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:* -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html Added Reference http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html Added Reference http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html Added Reference http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html Added Reference http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html Added Reference http://seclists.org/fulldisclosure/2021/Feb/42 Added Reference http://seclists.org/fulldisclosure/2021/Jan/79 Added Reference http://seclists.org/fulldisclosure/2024/Feb/3 Added Reference http://www.openwall.com/lists/oss-security/2021/01/26/3 Added Reference http://www.openwall.com/lists/oss-security/2021/01/27/1 Added Reference http://www.openwall.com/lists/oss-security/2021/01/27/2 Added Reference http://www.openwall.com/lists/oss-security/2021/02/15/1 Added Reference http://www.openwall.com/lists/oss-security/2021/09/14/2 Added Reference http://www.openwall.com/lists/oss-security/2024/01/30/6 Added Reference http://www.openwall.com/lists/oss-security/2024/01/30/8 Added Reference https://kc.mcafee.com/corporate/index?page=content&id=SB10348 Added Reference https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ Added Reference https://security.gentoo.org/glsa/202101-33 Added Reference https://security.netapp.com/advisory/ntap-20210128-0001/ Added Reference https://security.netapp.com/advisory/ntap-20210128-0002/ Added Reference https://support.apple.com/kb/HT212177 Added Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM Added Reference https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability Added Reference https://www.debian.org/security/2021/dsa-4839 Added Reference https://www.kb.cert.org/vuls/id/794544 Added Reference https://www.openwall.com/lists/oss-security/2021/01/26/3 Added Reference https://www.oracle.com//security-alerts/cpujul2021.html Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html Added Reference https://www.oracle.com/security-alerts/cpuoct2021.html Added Reference https://www.sudo.ws/stable.html#1.9.5p2 Added Reference https://www.synology.com/security/advisory/Synology_SA_21_02 -
Modified Analysis by [email protected]
Sep. 19, 2024
Action Type Old Value New Value Changed Reference Type https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156 No Types Assigned https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156 Exploit, Third Party Advisory -
CVE Modified by [email protected]
Sep. 18, 2024
Action Type Old Value New Value Added Reference MITRE https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156 [No types assigned] -
Modified Analysis by [email protected]
Jul. 09, 2024
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html Third Party Advisory, VDB Entry http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html No Types Assigned http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://seclists.org/fulldisclosure/2024/Feb/3 No Types Assigned http://seclists.org/fulldisclosure/2024/Feb/3 Exploit, Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2024/01/30/6 No Types Assigned http://www.openwall.com/lists/oss-security/2024/01/30/6 Exploit, Mailing List Changed Reference Type http://www.openwall.com/lists/oss-security/2024/01/30/8 No Types Assigned http://www.openwall.com/lists/oss-security/2024/01/30/8 Mailing List Changed Reference Type https://kc.mcafee.com/corporate/index?page=content&id=SB10348 Third Party Advisory https://kc.mcafee.com/corporate/index?page=content&id=SB10348 Broken Link, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ Mailing List, Release Notes Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ Mailing List, Release Notes Changed Reference Type https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability Patch, Third Party Advisory https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability Third Party Advisory Changed Reference Type https://www.sudo.ws/stable.html#1.9.5p2 Release Notes, Vendor Advisory https://www.sudo.ws/stable.html#1.9.5p2 Release Notes Changed CPE Configuration OR *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:oncommand_unified_manager_core_package:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* OR *cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:oncommand_unified_manager_core_package:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:ontap_tools:9:*:*:*:*:vmware_vsphere:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:* OR *cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:* OR *cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR cpe:2.3:h:oracle:micros_compact_workstation_3:-:*:*:*:*:*:*:* OR *cpe:2.3:o:oracle:micros_compact_workstation_3_firmware:310:*:*:*:*:*:*:* AND OR *cpe:2.3:o:oracle:micros_compact_workstation_3_firmware:310:*:*:*:*:*:*:* OR cpe:2.3:h:oracle:micros_compact_workstation_3:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR cpe:2.3:h:oracle:micros_es400:-:*:*:*:*:*:*:* OR *cpe:2.3:o:oracle:micros_es400_firmware:*:*:*:*:*:*:*:* versions from (including) 400 up to (including) 410 AND OR *cpe:2.3:o:oracle:micros_es400_firmware:*:*:*:*:*:*:*:* versions from (including) 400 up to (including) 410 OR cpe:2.3:h:oracle:micros_es400:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR cpe:2.3:h:oracle:micros_kitchen_display_system:-:*:*:*:*:*:*:* OR *cpe:2.3:o:oracle:micros_kitchen_display_system_firmware:210:*:*:*:*:*:*:* AND OR *cpe:2.3:o:oracle:micros_kitchen_display_system_firmware:210:*:*:*:*:*:*:* OR cpe:2.3:h:oracle:micros_kitchen_display_system:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR cpe:2.3:h:oracle:micros_workstation_5a:-:*:*:*:*:*:*:* OR *cpe:2.3:o:oracle:micros_workstation_5a_firmware:5a:*:*:*:*:*:*:* AND OR *cpe:2.3:o:oracle:micros_workstation_5a_firmware:5a:*:*:*:*:*:*:* OR cpe:2.3:h:oracle:micros_workstation_5a:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 04, 2024
Action Type Old Value New Value Added Reference MITRE http://seclists.org/fulldisclosure/2024/Feb/3 [No types assigned] -
CVE Modified by [email protected]
Jan. 31, 2024
Action Type Old Value New Value Added Reference MITRE http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html [No types assigned] -
CVE Modified by [email protected]
Jan. 30, 2024
Action Type Old Value New Value Added Reference MITRE http://www.openwall.com/lists/oss-security/2024/01/30/8 [No types assigned] Added Reference MITRE http://www.openwall.com/lists/oss-security/2024/01/30/6 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ -
Modified Analysis by [email protected]
Sep. 03, 2022
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpuapr2022.html No Types Assigned https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (including) 7.7.1 OR *cpe:2.3:a:oracle:communications_performance_intelligence_center:*:*:*:*:*:*:*:* versions from (including) 10.3.0.0.0 up to (including) 10.3.0.2.1 *cpe:2.3:a:oracle:communications_performance_intelligence_center:*:*:*:*:*:*:*:* versions from (including) 10.4.0.1.0 up to (including) 10.4.0.3.1 *cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (including) 7.7.1 -
CVE Modified by [email protected]
Apr. 20, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 04, 2022
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpuoct2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (including) 7.7.1 -
CVE Modified by [email protected]
Oct. 20, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuoct2021.html [No Types Assigned] -
Reanalysis by [email protected]
Sep. 27, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.5 *cpe:2.3:a:sudo_project:sudo:1.9.5:patch1:*:*:*:*:*:* OR *cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:* versions from (including) 1.8.2 up to (excluding) 1.8.32 *cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:* versions from (including) 1.9.0 up to (excluding) 1.9.5 *cpe:2.3:a:sudo_project:sudo:1.9.5:-:*:*:*:*:*:* *cpe:2.3:a:sudo_project:sudo:1.9.5:patch1:*:*:*:*:*:* -
Modified Analysis by [email protected]
Sep. 16, 2021
Action Type Old Value New Value Changed Reference Type http://www.openwall.com/lists/oss-security/2021/09/14/2 No Types Assigned http://www.openwall.com/lists/oss-security/2021/09/14/2 Mailing List, Patch, Third Party Advisory Changed Reference Type https://www.oracle.com//security-alerts/cpujul2021.html No Types Assigned https://www.oracle.com//security-alerts/cpujul2021.html Patch, Third Party Advisory Added CPE Configuration AND OR *cpe:2.3:o:oracle:micros_compact_workstation_3_firmware:310:*:*:*:*:*:*:* OR cpe:2.3:h:oracle:micros_compact_workstation_3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:oracle:micros_es400_firmware:*:*:*:*:*:*:*:* versions from (including) 400 up to (including) 410 OR cpe:2.3:h:oracle:micros_es400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:oracle:micros_kitchen_display_system_firmware:210:*:*:*:*:*:*:* OR cpe:2.3:h:oracle:micros_kitchen_display_system:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:oracle:micros_workstation_5a_firmware:5a:*:*:*:*:*:*:* OR cpe:2.3:h:oracle:micros_workstation_5a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:oracle:micros_workstation_6_firmware:*:*:*:*:*:*:*:* versions from (including) 610 up to (including) 655 OR cpe:2.3:h:oracle:micros_workstation_6:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 15, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/09/14/2 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 20, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com//security-alerts/cpujul2021.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 26, 2021
Action Type Old Value New Value Removed CWE NIST CWE-787 Added CWE NIST CWE-193 -
CVE Modified by [email protected]
Mar. 16, 2021
Action Type Old Value New Value Changed Description Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character. Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character. -
Modified Analysis by [email protected]
Mar. 08, 2021
Action Type Old Value New Value Changed Reference Type http://seclists.org/fulldisclosure/2021/Jan/79 No Types Assigned http://seclists.org/fulldisclosure/2021/Jan/79 Exploit, Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html Mailing List, Third Party Advisory Changed Reference Type https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability No Types Assigned https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability Patch, Third Party Advisory Changed Reference Type https://www.synology.com/security/advisory/Synology_SA_21_02 No Types Assigned https://www.synology.com/security/advisory/Synology_SA_21_02 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:synology:diskstation_manager:6.2:*:*:*:*:*:*:* *cpe:2.3:a:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:beyondtrust:privilege_management_for_mac:*:*:*:*:*:*:*:* versions up to (excluding) 21.1.1 *cpe:2.3:a:beyondtrust:privilege_management_for_unix\/linux:*:*:*:*:basic:*:*:* versions up to (excluding) 10.3.2-10 -
CVE Modified by [email protected]
Feb. 23, 2021
Action Type Old Value New Value Added Reference https://www.synology.com/security/advisory/Synology_SA_21_02 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 19, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2021/Jan/79 [No Types Assigned] Added Reference https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 18, 2021
Action Type Old Value New Value Changed Reference Type http://seclists.org/fulldisclosure/2021/Feb/42 No Types Assigned http://seclists.org/fulldisclosure/2021/Feb/42 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/02/15/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/02/15/1 Exploit, Mailing List, Third Party Advisory Changed Reference Type https://kc.mcafee.com/corporate/index?page=content&id=SB10348 No Types Assigned https://kc.mcafee.com/corporate/index?page=content&id=SB10348 Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:mcafee:web_gateway:8.2.17:*:*:*:*:*:*:* *cpe:2.3:a:mcafee:web_gateway:9.2.8:*:*:*:*:*:*:* *cpe:2.3:a:mcafee:web_gateway:10.0.4:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 15, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/02/15/1 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 13, 2021
Action Type Old Value New Value Added Reference https://kc.mcafee.com/corporate/index?page=content&id=SB10348 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 12, 2021
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2021/Feb/42 [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 11, 2021
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html No Types Assigned http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://support.apple.com/kb/HT212177 No Types Assigned https://support.apple.com/kb/HT212177 Third Party Advisory Changed Reference Type https://www.kb.cert.org/vuls/id/794544 No Types Assigned https://www.kb.cert.org/vuls/id/794544 Third Party Advisory, US Government Resource Changed CPE Configuration OR *cpe:2.3:a:netapp:oncommand_unified_manager_core_package:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:* OR *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:oncommand_unified_manager_core_package:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 09, 2021
Action Type Old Value New Value Added Reference https://support.apple.com/kb/HT212177 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 05, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html [No Types Assigned] -
CVE Modified by [email protected]
Feb. 05, 2021
Action Type Old Value New Value Added Reference https://www.kb.cert.org/vuls/id/794544 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 03, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html No Types Assigned http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html Third Party Advisory, VDB Entry Changed Reference Type http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://www.openwall.com/lists/oss-security/2021/01/26/3 No Types Assigned http://www.openwall.com/lists/oss-security/2021/01/26/3 Exploit, Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/01/27/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/01/27/1 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/01/27/2 No Types Assigned http://www.openwall.com/lists/oss-security/2021/01/27/2 Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202101-33 No Types Assigned https://security.gentoo.org/glsa/202101-33 Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20210128-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20210128-0001/ Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20210128-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20210128-0002/ Third Party Advisory Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4839 No Types Assigned https://www.debian.org/security/2021/dsa-4839 Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2021/01/26/3 No Types Assigned https://www.openwall.com/lists/oss-security/2021/01/26/3 Exploit, Mailing List, Third Party Advisory Changed Reference Type https://www.sudo.ws/stable.html#1.9.5p2 No Types Assigned https://www.sudo.ws/stable.html#1.9.5p2 Release Notes, Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.5 *cpe:2.3:a:sudo_project:sudo:1.9.5:patch1:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:netapp:oncommand_unified_manager_core_package:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 03, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html [No Types Assigned] -
CVE Modified by [email protected]
Feb. 01, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html [No Types Assigned] -
CVE Modified by [email protected]
Jan. 29, 2021
Action Type Old Value New Value Added Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM [No Types Assigned] -
CVE Modified by [email protected]
Jan. 28, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210128-0001/ [No Types Assigned] Added Reference https://security.netapp.com/advisory/ntap-20210128-0002/ [No Types Assigned] -
CVE Modified by [email protected]
Jan. 28, 2021
Action Type Old Value New Value Changed Description Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character: Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character. -
CVE Modified by [email protected]
Jan. 27, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html [No Types Assigned] -
CVE Modified by [email protected]
Jan. 27, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/01/27/2 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 27, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/01/27/1 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 27, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ [No Types Assigned] -
CVE Modified by [email protected]
Jan. 27, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ [No Types Assigned] Added Reference https://www.debian.org/security/2021/dsa-4839 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 27, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202101-33 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 26, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/01/26/3 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 7.8
Base CVSS Score: 7.2
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
92.19 }} -0.16%
score
0.99704
percentile