Vulnerability in Keylime
CVE-2021-3406
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.
EPSS: 0.007 (47.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Keylime
- Fedoraproject Fedora — versions 34
- N/a Keylime — versions 5.8.1 and older
Weakness classification (CWE)
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2021-3406?
- CVE-2021-3406 is a critical-severity vulnerability in Keylime, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2021-02-25.
- How severe is CVE-2021-3406?
- Critical severity. CVSS v3 base score is 9.8 out of 10.