CVE-2021-44228
CISA KEVPublished December 10, 2021 · Updated April 3, 2026
high
Official Description+
Apache Log4j2 contains a vulnerability where JNDI features do not protect against attacker-controlled JNDI-related endpoints, allowing for remote code execution.
Affected Products
| Vendor | Product |
|---|---|
| Apache | Log4j2 |
Patch Status
Patch by 2021-12-24
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2021-44228.