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Not yet scored Actively exploited Used in ransomware

CVE-2021-45046

Apache Log4j2 Deserialization of Untrusted Data Vulnerability

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.

Recommended action

Apply updates per vendor instructions.

CISA remediation due date for U.S. federal agencies: 22 May 2023.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.