critical
CVE-2021-44228
Log4Shell - JNDI lookup in a logged string gives unauthenticated remote code execution
- Severity
- critical
- Affected product
- Log4j
- Affected versions
- Log4j ≥ 2.0, < 2.15.0
- Fixed in
- Log4j 2.15.0
- Detection basis
- Component version range
- Shipped rule
- Log4j: Log4Shell - JNDI lookup in a logged string gives unauthenticated remote code execution
- Added to NewScan
- 2026-07-17
- 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.