CVE-2023-3674Keylime: attestation failure when the quote's signature does not validate
- 2.3LowCVSS base score
- 0.21%Exploitation in 30 daysEPSS · top 88% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted.
Timeline
ID reserved
By redhat
- 5 days later
· 5 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Low2.3 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N |
| NVDNVD · Modified | 3.1 | Low2.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.21% · top 88% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.3.
Affected products
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:7.3.0-13.el9_3 – < *
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIkeylimeGHSA-g4wg-cfpf-9689 (opens in a new tab)
References
References4
- RHSA-2024:1139 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://access.redhat.com/security/cve/CVE-2023-3674 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2222903 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://github.com/keylime/keylime/commit/95ce3d86bd2c53009108ffda2dcf553312d733db (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-0105 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-g4wg-cfpf-9689 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-3674)Record last updated .