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Actively Exploited Vulnerabilities

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CVE-2021-44228

Apache | Log4j2Added 2021-12-10Remediation Deadline 2021-12-24Active Ransomware Campaign

Apache Log4j2 Remote Code Execution Vulnerability

Apache Log4j2 contains a vulnerability where JNDI features do not protect against attacker-controlled JNDI-related endpoints, allowing for remote code execution.

Required Action

For all affected software assets for which updates exist, the only acceptable remediation actions are: 1) Apply updates; OR 2) remove affected assets from agency networks. Temporary mitigations using one of the measures provided at https://www.cisa.gov/uscert/ed-22-02-apache-log4j-recommended-mitigation-measures are only acceptable until updates are available.

Weakness Classification

CWE-20

CWE-400

CWE-502

References