CVE-2021-45046 — Apache Log4j2 Deserialization of Untrusted Data Vulnerability
Description
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.
Required action
Apply updates per vendor instructions.
Notes
https://logging.apache.org/log4j/2.x/security.html; https://nvd.nist.gov/vuln/detail/CVE-2021-45046
Need help remediating this vulnerability?
Our team helps organizations patch, mitigate, and respond to CISA KEV advisories fast.