What’s Vulnerable › Vulnerabilities

CVE-2021-3406

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-25 · updated 2026-06-17
• Weakness: CWE-347

Description

A flaw was found in keylime 5.8.1 and older. The issue in the Keylime agent and registrar code invalidates the cryptographic chain of trust from the Endorsement Key certificate to agent attestations.

Affected products

• Fedoraproject Fedora: 34
• keylime: through 5.8.1

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1932469
• https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375m
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/
• https://bugzilla.redhat.com/show_bug.cgi?id=1932469
• https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375m
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/

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