CVE-2021-45046: Log4j DoS/RCE Bypass
Is Log4j 2.15.0 still vulnerable?
A bypass of the initial Log4Shell fix (CVE-2021-44228). The 2.15.0 patch was incomplete — certain non-default configurations still allowed JNDI injection, now enabling denial of service and, in some environments, remote code execution.
Impact & Exploitation
Organizations that raced to patch to Log4j 2.15.0 remained vulnerable. Required a second emergency patch cycle during the holiday season.
Precogs Research
This vulnerability intelligence report was analyzed and enriched by the Precogs AI Security Team. Our researchers continuously monitor emerging threats across AI code, LLM pipelines, and binary architectures to ensure accurate real-time remediation guidance.