Vulnerability CVE-2021-42550
Published: 2021-12-16

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.

Type:

CWE-502

 (Deserialization of Untrusted Data)

CVSS2 => (AV:N/AC:M/Au:S/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
8.5/10
10/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Redhat -> Satellite 
QOS -> Logback 

 References:
https://github.com/cn-panda/logbackRceDemo
https://jira.qos.ch/browse/LOGBACK-1591
http://logback.qos.ch/news.html
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