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.
Mend Note: Converted from WS-2021-0491, on 2022-11-07.
CVE-2021-42550 - Medium Severity Vulnerability
Vulnerable Libraries - logback-core-1.2.3.jar, logback-classic-1.2.3.jar
logback-core-1.2.3.jar
logback-core module
Library home page: http://logback.qos.ch
Path to dependency file: /fs-agent/pom.xml
Path to vulnerable library: /root/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar
Dependency Hierarchy: - logback-classic-1.2.3.jar (Root Library) - :x: **logback-core-1.2.3.jar** (Vulnerable Library)
logback-classic-1.2.3.jar
logback-classic module
Library home page: http://logback.qos.ch
Path to dependency file: /fs-agent/pom.xml
Path to vulnerable library: /2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar
Dependency Hierarchy: - :x: **logback-classic-1.2.3.jar** (Vulnerable Library)
Found in base branch: master
Vulnerability Details
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. Mend Note: Converted from WS-2021-0491, on 2022-11-07.
Publish Date: 2021-12-16
URL: CVE-2021-42550
CVSS 3 Score Details (6.6)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: High - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=VE-2021-42550
Release Date: 2021-12-16
Fix Resolution (ch.qos.logback:logback-core): 1.2.8
Direct dependency fix Resolution (ch.qos.logback:logback-classic): 1.2.8