CVE-2021-45105

unknown
Published 2021-12-18 · Modified 2025-05-09
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v2
VIR risk

Description

Apache Log4j2 vulnerable to Improper Input Validation and Uncontrolled Recursion

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-45105.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-45105

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed2.17.0-1
debian debianbullseyefixed2.17.0-1~deb11u1
debian debianforkyfixed2.17.0-1
debian debiansidfixed2.17.0-1
debian debiantrixiefixed2.17.0-1
suse slesaffected

Package impact

EcosystemPackageVulnerableFixed
java Mavenorg.apache.logging.log4j:log4j-core>=2.4.0,<2.12.32.12.3
java Mavenorg.apache.logging.log4j:log4j-core>=2.13.0,<2.17.02.17.0
java Mavenorg.apache.logging.log4j:log4j-core<2.3.12.3.1
java Mavenorg.ops4j.pax.logging:pax-logging-log4j2>=1.8.0,<1.9.21.9.2
java Mavenorg.ops4j.pax.logging:pax-logging-log4j2>=1.10.0,<1.10.91.10.9
java Mavenorg.ops4j.pax.logging:pax-logging-log4j2>=1.11.0,<1.11.121.11.12
java Mavenorg.ops4j.pax.logging:pax-logging-log4j2>=2.0.0,<2.0.132.0.13

References

Verify integrity in audit chain (admin only). AS-IS.