Critical severity · published Feb 25, 2021
CVE-2021-3406
A flaw was found in keylime 5.8.1 and older
9.8
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
34 · source: NVD
KE
Keylime · Keylime
through 5.8.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3406
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3406
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1932469
Third Party Advisory
https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375m
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/
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