CVE security advisories and vulnerability history for log4j by apache.
Last updated
apache log4j has 19 published CVE records since 2017, of which 2 are in CISA's Known Exploited Vulnerabilities catalog and 2 have a known public exploit. The average CVSS base score across scored CVEs is 7.5.
This page aggregates every publicly disclosed vulnerability (CVE) affecting apache log4j, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list.
How the CVSS severity of apache log4j's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
2 additional CVEs have no CVSS severity score.
In CISA’s Known Exploited Vulnerabilities catalog
2
2 of apache log4j's CVEs are confirmed exploited in the wild.
Public exploits
2
2 of apache log4j's CVEs have a known public exploit available.
Browse every apache log4j version named in a CVE, then pick one to see only the CVEs that affect it.
19 CVEs
Added to CISA KEV 2023-05-01
Added to CISA KEV 2021-12-10
The CWE weakness categories most often found in apache log4j CVEs. Follow any weakness for its full explanation.
How many apache log4j CVEs were published each year.
Browse vulnerabilities for other products by apache.
Common questions about apache log4j vulnerabilities.
apache log4j has 19 published CVE records since 2017.
Yes — 2 of apache log4j's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Yes — 2 of apache log4j's CVEs have a known public exploit.
13 distinct apache log4j versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
apache log4j's CVEs most often map to these CWE weakness types: CWE-502 (Deserialization of Untrusted Data), CWE-116 (Improper Encoding or Escaping of Output), CWE-297 (Improper Validation of Certificate with Host Mismatch), CWE-20 (Improper Input Validation).
apache log4j has 4 critical and 4 high-severity CVEs.
The average CVSS base score across apache log4j's scored CVEs is 7.5.
Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.
Monitor new apache log4j vulnerabilities as they are disclosed, with AI-written analysis and remediation guidance.
