CVE-2021-42550
December 16, 2021
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.
Affected Packages
ch.qos.logback:logback-core (JAVA):
Affected version(s) >=0.2.5 <1.2.9Fix Suggestion:
Update to version 1.2.9ch.qos.logback:logback-core (JAVA):
Affected version(s) >=0.2.5 <1.2.9Fix Suggestion:
Update to version 1.2.9ch.qos.logback:logback-core (JAVA):
Affected version(s) >=0.2.5 <1.2.9Fix Suggestion:
Update to version 1.2.9Related Resources (13)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
8.5
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Weakness Type (CWE)
Deserialization of Untrusted Data
EPSS
Base Score:
2.73
