CVE-2021-45046

KEV · Ransomware

Apache Log4j2 Deserialization of Untrusted Data Vulnerability

Vendor / Project: Apache
Product: Log4j2
Date added: May 1, 2023
Due date: May 22, 2023
Known ransomware use: Known
CWEs: CWE-917

Description

Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.

Required action

Apply updates per vendor instructions.

Notes

https://logging.apache.org/log4j/2.x/security.html
https://nvd.nist.gov/vuln/detail/CVE-2021-45046