Log4shell
CVE-2021-44228 (Log4Shell) Added to CISA Known Exploited Vulnerabilities Catalog
CISA added CVE-2021-44228 (Log4Shell) to the Known Exploited Vulnerabilities catalog, reinforcing urgent patch requirements for affected organizations.
CVE-2021-44228 — Log4Shell Remote Code Execution in Apache Log4j
CVE-2021-44228 (Log4Shell) is a critical remote code execution vulnerability in Apache Log4j 2 that enabled unauthenticated attackers to execute arbitrary code via JNDI lookups. This record provides verified technical analysis, exploitation context, impact assessment, and defensive guidance.