CVE-2021-44228βApache Log4j2 Remote Code Execution Vulnerability
PUBLISHEDvulnerability record
2021-12-10 Β· last modified June 21, 2025
Metadata
Vulnerability Name
Apache Log4j2 Remote Code Execution Vulnerability
Description
Apache Log4j2 contains a vulnerability where JNDI features do not protect against attacker-controlled JNDI-related endpoints, allowing for remote code execution.
Known To Be Used in Ransomware Campaigns?
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.