CVE-2021-42550 - Logback LDAP Remote Code Execution Vulnerability

6.6

MEDIUM

CVE-2021-42550

Logback LDAP Remote Code Execution Vulnerability

Description

In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.

INFO

Published Date :

Dec. 16, 2021, 7:15 p.m.

Last Modified :

Dec. 12, 2022, 9:13 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

0.7

Public PoC/Exploit Available at Github

CVE-2021-42550 has a 22 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-2021-42550 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	service_level_manager
2	Netapp	snap_creator_framework
3	Netapp	cloud_manager
1	Redhat	satellite
1	Siemens	sinec_nms
1	Qos	logback

: Total Affected Vendor : 4 | Products : 6

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-2021-42550.

URL	Resource
http://logback.qos.ch/news.html	Vendor Advisory
http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html	Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2022/Jul/11	Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf	Third Party Advisory
https://github.com/cn-panda/logbackRceDemo	Exploit Third Party Advisory
https://jira.qos.ch/browse/LOGBACK-1591	Exploit Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20211229-0001/	Third Party Advisory

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).

hinat0y/Dataset12

None

Shell

Updated: 5 months, 4 weeks ago

0 stars 1 fork 1 watcher

Born at : May 2, 2024, 9:30 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset11

None

Shell

Updated: 5 months, 4 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:29 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset10

None

Shell

Updated: 5 months, 4 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:27 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset9

None

Shell

Updated: 5 months, 4 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:26 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset7

None

Shell

Updated: 5 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:24 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset6

None

Updated: 5 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:22 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset5

None

Updated: 5 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:21 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset4

None

Updated: 5 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:19 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset3

None

Updated: 5 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:18 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset2

None

Updated: 5 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:16 p.m. This repo has been linked 73 different CVEs too.

hinat0y/Dataset1

None

Updated: 5 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : May 2, 2024, 9:14 p.m. This repo has been linked 73 different CVEs too.

ytono/gcp-arcade

None

Shell Python HCL JavaScript PHP Go Dockerfile

Updated: 3 months, 2 weeks ago

0 stars 0 fork 0 watcher

Born at : Jan. 20, 2024, 9:35 a.m. This repo has been linked 30 different CVEs too.

scordero1234/java_sec_demo-main

None

Java HTML CSS JavaScript

Updated: 1 year, 4 months ago

0 stars 0 fork 0 watcher

Born at : July 6, 2023, 12:59 a.m. This repo has been linked 39 different CVEs too.

emilywang0/CVE_testing_VULN

None

Java

Updated: 6 months ago

0 stars 0 fork 0 watcher

Born at : June 11, 2023, 5:01 a.m. This repo has been linked 9 different CVEs too.

thl-cmk/CVE-log4j-check_mk-plugin

CVE-log4j CheckMK plugin

log4j2 checkmk-extension checkmk-agent cve-2021-44228 cve-2021-45046 cve-2021-4104 cve-2021-42550 cve-2021-45105 cve-2021-44832

Python Shell

Updated: 1 year, 5 months ago

5 stars 0 fork 0 watcher

Born at : Jan. 3, 2022, 8:55 p.m. This repo has been linked 12 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-2021-42550 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42550 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 [email protected]

May. 14, 2024

Action	Type	Old Value	New Value

Modified Analysis by [email protected]

Dec. 12, 2022

Action	Type	Old Value	New Value
Changed	Reference Type	https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf No Types Assigned	https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf Third Party Advisory
Added	CPE Configuration		OR cpe:2.3:a:siemens:sinec_nms::::::::* versions up to (excluding) 1.0.3

CVE Modified by [email protected]

Nov. 08, 2022

Action	Type	Old Value	New Value
Added	Reference		https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf [No Types Assigned]

Modified Analysis by [email protected]

Oct. 28, 2022

Action	Type	Old Value	New Value
Changed	Reference Type	http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html No Types Assigned	http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html Exploit, Third Party Advisory, VDB Entry
Changed	Reference Type	http://seclists.org/fulldisclosure/2022/Jul/11 No Types Assigned	http://seclists.org/fulldisclosure/2022/Jul/11 Mailing List, Third Party Advisory

CVE Modified by [email protected]

Jul. 22, 2022

Action	Type	Old Value	New Value
Added	Reference		http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html [No Types Assigned]

CVE Modified by [email protected]

Jul. 22, 2022

Action	Type	Old Value	New Value
Added	Reference		http://seclists.org/fulldisclosure/2022/Jul/11 [No Types Assigned]

Modified Analysis by [email protected]

Mar. 29, 2022

Action	Type	Old Value	New Value
Changed	Reference Type	https://security.netapp.com/advisory/ntap-20211229-0001/ No Types Assigned	https://security.netapp.com/advisory/ntap-20211229-0001/ Third Party Advisory
Added	CPE Configuration		OR cpe:2.3:a:netapp:cloud_manager:-::::::: cpe:2.3:a:netapp:service_level_manager:-::::::: cpe:2.3:a:netapp:snap_creator_framework:-:::::::

CVE Modified by [email protected]

Dec. 29, 2021

Action	Type	Old Value	New Value
Added	Reference		https://security.netapp.com/advisory/ntap-20211229-0001/ [No Types Assigned]

Initial Analysis by [email protected]

Dec. 22, 2021

Action	Type	Old Value	New Value
Added	CVSS V2		NIST (AV:N/AC:M/Au:S/C:C/I:C/A:C)
Added	CVSS V3.1		NIST AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Changed	Reference Type	http://logback.qos.ch/news.html No Types Assigned	http://logback.qos.ch/news.html Vendor Advisory
Changed	Reference Type	https://github.com/cn-panda/logbackRceDemo No Types Assigned	https://github.com/cn-panda/logbackRceDemo Exploit, Third Party Advisory
Changed	Reference Type	https://jira.qos.ch/browse/LOGBACK-1591 No Types Assigned	https://jira.qos.ch/browse/LOGBACK-1591 Exploit, Issue Tracking, Patch, Third Party Advisory
Added	CWE		NIST CWE-502
Added	CPE Configuration		OR cpe:2.3:a:qos:logback::::::::* versions up to (including) 1.2.7 cpe:2.3:a:qos:logback:1.3.0:alpha0::::::* cpe:2.3:a:qos:logback:1.3.0:alpha1::::::* cpe:2.3:a:qos:logback:1.3.0:alpha10::::::* cpe:2.3:a:qos:logback:1.3.0:alpha2::::::* cpe:2.3:a:qos:logback:1.3.0:alpha3::::::* cpe:2.3:a:qos:logback:1.3.0:alpha4::::::* cpe:2.3:a:qos:logback:1.3.0:alpha5::::::* cpe:2.3:a:qos:logback:1.3.0:alpha6::::::* cpe:2.3:a:qos:logback:1.3.0:alpha7::::::* cpe:2.3:a:qos:logback:1.3.0:alpha8::::::* cpe:2.3:a:qos:logback:1.3.0:alpha9::::::*
Added	CPE Configuration		OR cpe:2.3:a:redhat:satellite:6.0:::::::

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-2021-42550 is associated with the following CWEs:

CWE-502: Deserialization of Untrusted Data

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-2021-42550 weaknesses.

CAPEC-586: Object Injection Object Injection