Critical severity9.8NVD Advisory· Published Feb 25, 2021· Updated Jun 17, 2026
CVE-2021-3406
CVE-2021-3406
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- keylime/keylimedescription
Patches
Vulnerability mechanics
References
3- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375mnvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/nvd
News mentions
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