UNKNOWNKNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2021-45046

Apache Log4j2 Deserialization of Untrusted Data Vulnerability

Published: 2023-05-01
Modified: 2026-07-31
Sources: cisa-kev

Summary

Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Includes data from the CISA Known Exploited Vulnerabilities catalog.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.