CRITICAL · 9.8

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.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
KeylimeKeylime<= 5.8.1
FedoraprojectFedora34

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-3406?

CVE-2021-3406 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2021-3406?

CVE-2021-3406 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-3406?

Check the references section above for vendor advisories and patch information. Affected products include: Keylime Keylime, Fedoraproject Fedora.