7.0
HIGH
CVE-2021-41617
OpenSSH sshd Privilege Escalation
Description

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user.

INFO

Published Date :

Sept. 26, 2021, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 6:26 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.0
Public PoC/Exploit Available at Github

CVE-2021-41617 has a 12 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-41617 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.

ID Vendor Product Action
1 Netapp active_iq_unified_manager
2 Netapp ontap_select_deploy_administration_utility
3 Netapp hci_management_node
4 Netapp solidfire
5 Netapp clustered_data_ontap
6 Netapp aff_a250_firmware
7 Netapp aff_500f_firmware
8 Netapp aff_a250
9 Netapp aff_500f
1 Oracle zfs_storage_appliance_kit
2 Oracle http_server
1 Fedoraproject fedora
1 Openbsd openssh
1 Starwindsoftware starwind_virtual_san
: Total Affected Vendor : 5 | Products : 14
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-2021-41617.

URL Resource
https://bugzilla.suse.com/show_bug.cgi?id=1190975 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
https://security.netapp.com/advisory/ntap-20211014-0004/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5586
https://www.openssh.com/security.html Vendor Advisory
https://www.openssh.com/txt/release-8.8 Release Notes Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/09/26/1 Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html Third Party Advisory
https://www.starwindsoftware.com/security/sw-20220805-0001/ Third Party Advisory
https://www.tenable.com/plugins/nessus/154174
https://bugzilla.suse.com/show_bug.cgi?id=1190975 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
https://security.netapp.com/advisory/ntap-20211014-0004/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5586
https://www.openssh.com/security.html Vendor Advisory
https://www.openssh.com/txt/release-8.8 Release Notes Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/09/26/1 Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html Third Party Advisory
https://www.starwindsoftware.com/security/sw-20220805-0001/ Third Party Advisory
https://www.tenable.com/plugins/nessus/154174

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).

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krlabs/openssh-vulnerabilities

OpenSSH Vulnerabilities list

cve openssh vulnerabilities

Updated: 2 weeks, 3 days ago
0 stars 0 fork 0 watcher
Born at : Dec. 4, 2024, 1:10 p.m. This repo has been linked 22 different CVEs too.
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alvarigno22/ChocolateFire-DockerLab

DockerLab - Machine

Updated: 4 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 19, 2024, 3:29 p.m. This repo has been linked 9 different CVEs too.
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alvarigno/ChocolateFire-DockerLab

Máquina DockerLab

Updated: 4 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 18, 2024, 1:13 a.m. This repo has been linked 9 different CVEs too.
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vhgalvez/terraform-rockylinux-libvirt-kvm

terraform-rockylinux-libvirt-kvm

HCL

Updated: 7 months ago
1 stars 0 fork 0 watcher
Born at : May 10, 2024, 7:32 p.m. This repo has been linked 2 different CVEs too.
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omerfsen/terraform-almalinux-libvirt

Terraform to install AlmaLinux 9 to KVM based systems using libvirt provider

HCL Smarty

Updated: 4 weeks, 1 day ago
2 stars 0 fork 0 watcher
Born at : May 10, 2024, 9:02 a.m. This repo has been linked 2 different CVEs too.
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bioly230/THM_Skynet

None

Updated: 1 year, 5 months ago
0 stars 0 fork 0 watcher
Born at : June 30, 2023, 2:41 p.m. This repo has been linked 78 different CVEs too.
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accalina/crowflag

Nmap's XML result parse and NVD's CPE correlation to search CVE.

Python

Updated: 1 year, 7 months ago
0 stars 1 fork 1 watcher
Born at : May 10, 2023, 6:08 a.m. This repo has been linked 4 different CVEs too.
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omerfsen/terraform-rockylinux-libvirt

Terraform to Create Rocky Linux on KVM/Libvirt

HCL

Updated: 4 weeks, 1 day ago
2 stars 3 fork 3 watcher
Born at : Dec. 23, 2022, 5:59 p.m. This repo has been linked 2 different CVEs too.
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adegoodyer/ubuntu

Ubuntu container with GMT timezone, GB locale and additional tools preinstalled.

Dockerfile Shell

Updated: 2 years, 2 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 13, 2022, 12:30 p.m. This repo has been linked 14 different CVEs too.
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Totes5706/TotesHTB

Walkthrough and Writeups for the HackTheBox Penetration Lab Testing Environment

Updated: 2 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : July 16, 2022, 12:34 p.m. This repo has been linked 42 different CVEs too.
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jonathanscheibel/PyNmap

None

Python Shell

Updated: 2 years, 8 months ago
0 stars 0 fork 0 watcher
Born at : March 30, 2022, 10:12 p.m. This repo has been linked 4 different CVEs too.
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phx/cvescan

Easily scan for CVEs using nmap.

cve nmap portscanning shell shellscript automation

Shell

Updated: 1 month, 2 weeks ago
12 stars 3 fork 3 watcher
Born at : Jan. 13, 2022, 2:44 p.m. This repo has been linked 34 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-41617 vulnerability anywhere in the article.

  • The Register
QNAP and Veritas dump 30-plus vulns over the weekend

Taiwanese NAS maker QNAP addressed 24 vulnerabilities across various products over the weekend. The flaws include two critical and nine "high" severity vulnerabilities, potentially resulting in code e ... Read more

Published Date: Nov 26, 2024 (3 weeks, 5 days ago)
CVE-2024-53915 CVE-2024-53914 CVE-2024-53913 CVE-2024-53912 CVE-2024-53911 CVE-2024-53910 CVE-2024-53909 CVE-2023-38408 CVE-2021-41617 CVE-2020-14145

The following table lists the changes that have been made to the CVE-2021-41617 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1190975
    Added Reference https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
    Added Reference https://security.netapp.com/advisory/ntap-20211014-0004/
    Added Reference https://www.debian.org/security/2023/dsa-5586
    Added Reference https://www.openssh.com/security.html
    Added Reference https://www.openssh.com/txt/release-8.8
    Added Reference https://www.openwall.com/lists/oss-security/2021/09/26/1
    Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html
    Added Reference https://www.oracle.com/security-alerts/cpujul2022.html
    Added Reference https://www.starwindsoftware.com/security/sw-20220805-0001/
    Added Reference https://www.tenable.com/plugins/nessus/154174
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Dec. 26, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html [No types assigned]
  • CVE Modified by [email protected]

    Dec. 22, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://www.debian.org/security/2023/dsa-5586 [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/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
  • CVE Modified by [email protected]

    Feb. 14, 2023

    Action Type Old Value New Value
    Added Reference https://www.tenable.com/plugins/nessus/154174 [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 25, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.starwindsoftware.com/security/sw-20220805-0001/ No Types Assigned https://www.starwindsoftware.com/security/sw-20220805-0001/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8r13:14398:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 11, 2022

    Action Type Old Value New Value
    Added Reference https://www.starwindsoftware.com/security/sw-20220805-0001/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 05, 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 Reference Type https://www.oracle.com/security-alerts/cpujul2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujul2022.html Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:oracle:http_server:12.2.1.2.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 25, 2022

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpujul2022.html [No Types Assigned]
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-269 NVD-CWE-Other
  • 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]

    Nov. 30, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/ Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20211014-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20211014-0004/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:aff_a250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 14, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 14, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20211014-0004/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 07, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:P/A:P)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 03, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 02, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 01, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1190975 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1190975 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://www.openssh.com/security.html No Types Assigned https://www.openssh.com/security.html Vendor Advisory
    Changed Reference Type https://www.openssh.com/txt/release-8.8 No Types Assigned https://www.openssh.com/txt/release-8.8 Release Notes, Vendor Advisory
    Changed Reference Type https://www.openwall.com/lists/oss-security/2021/09/26/1 No Types Assigned https://www.openwall.com/lists/oss-security/2021/09/26/1 Mailing List, Third Party Advisory
    Added CWE NIST CWE-269
    Added CPE Configuration OR *cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 8.8
  • CVE Modified by [email protected]

    Sep. 27, 2021

    Action Type Old Value New Value
    Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1190975 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-41617 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-2021-41617 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} -0.00%

score

0.21948

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: