Original release date: December 10, 2021
The Apache Software Foundation has released a security advisory to address a remote code execution vulnerability (CVE-2021-44228) affecting Log4j versions 2.0-beta9 to 2.14.1. A remote attacker could exploit this vulnerability to take control of an affected system. Log4j is an open-source, Java-based logging utility widely used by enterprise applications and cloud services.
CISA encourages users and administrators to review the Apache Log4j 2.15.0 Announcement and upgrade to Log4j 2.15.0 or apply the recommended mitigations immediately.
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