CVE-2021-3406
CRITICAL
9.8
CVSS Score
Published: February 25, 2021 at 07:15 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsFedoraKeylime
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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.7%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1932469x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375mVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-347CWE-295
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