CVE-2021-44228 Log4Shell
Upgraded log4j-core to 2.17.1 across every service during the December 2021 disclosure window.
- Recorded
- 12 September 2026
- Evidence
- Frozen when the record was created
- Check
- Inspect the evidence and verify the hash chain
Retrospective worked example: the 2021 action was recorded in September 2026. Its frozen evidence is from record creation, not 2021. Customer records are private.