CVE-2021-42550 MEDIUM

CVE-2021-42550: RCE from attacker with configuration edit priviledges through JNDI lookup

Vendor Qos.ch
Product logback
Weakness CWE-502 · Unsafe deserialization
Published December 16, 2021
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

6.6/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 16, 2021 CVE published
August 4, 2024 Record updated