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
- 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.
Backfilled 2026-08-02 (docs/todo.md item 1).
References
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