critical
CVE-2021-45046
Log4j Thread Context lookup bypass of the 2.15.0 fix - RCE in some configurations
- Severity
- critical
- Affected product
- Log4j
- Affected versions
- Log4j ≥ 2.0, < 2.16.0
- Fixed in
- Log4j 2.16.0
- Detection basis
- Component version range
- Shipped rule
- Log4j: Log4j Thread Context lookup bypass of the 2.15.0 fix - RCE in some configurations
- Added to NewScan
- 2026-08-02
- Detected by
- NewScan — free, self-hosted
How NewScan reports it
COMPONENT VERSION RANGE
NewScan fingerprints Log4j from its response and reports this CVE when the detected version falls inside the affected range below.
References
Scan for this yourself — local, in-band scanning is free.
Get NewScan (FREE) →Review the measured benchmark, then use the verified remediation process.