Is org.apache.logging.log4j:log4j-core affected by CVE-2025-68161?

Maven org.apache.logging.log4j:log4j-core is affected in >=2.0-beta9 <2.25.3.

Is CVE-2025-68161 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.7%.

medium

CVE-2025-68161

Q: Is CVE-2025-68161 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.7%.

Maven · org.apache.logging.log4j:log4j-core

Summary

Apache Log4j does not verify the TLS hostname in its Socket Appender

Severity: medium
EPSS: 0.7% (p50)
Also known as: GHSA-vc5p-v9hr-52mj
Published: 2025-12-18

References

https://nvd.nist.gov/vuln/detail/CVE-2025-68161
https://github.com/apache/logging-log4j2/pull/4002
https://github.com/apache/logging-log4j2/commit/3b93748497e1adbbd027fda8a5e7268ec5d0d578

Related advisories

CVE-2021-45046 — critical · Maven/org.apache.logging.log4j:log4j-core
CVE-2021-44228 — critical · Maven/org.apache.logging.log4j:log4j-core
CVE-2026-34478 — medium · Maven/org.apache.logging.log4j:log4j-core
CVE-2026-34480 — medium · Maven/org.apache.logging.log4j:log4j-core
CVE-2026-34477 — medium · Maven/org.apache.logging.log4j:log4j-core

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.