CVE-2023-38201
Keylime: challenge-response protocol bypass during agent registration
02 Description
Keylime: challenge-response protocol bypass during agent registration
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 41.8% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-08-25 16:15Z3 YR AGO
- Last updated
- 2025-11-20 17:41Z11 MO AGO
- Reserved
- 2023-07-13
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-639Authorization Bypass Through User-Controlled KeyBase
- Data version
- 5.2
- Document digest
- 39eca8895bb919728473df9a3bbac3d8d8c3baea2b3ce3df6b32532f3c367366
05 Affected products
06 References
- access.redhat.comRHSA-2023:5080https://access.redhat.com/errata/RHSA-2023:5080
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-38201
- bugzilla.redhat.comRHBZ#2222693https://bugzilla.redhat.com/show_bug.cgi?id=2222693
- github.comhttps://github.com/keylime/keylime/commit/9e5ac9f25cd400b16d5969f531cee28290543f2a
- github.comhttps://github.com/keylime/keylime/security/advisories/GHSA-f4r5-q63f-gcww
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZIZZB5NHNCS5D2AEH3ZAO6OQC72IK7WS/
07 Fixed in
AlmaLinux 9
- keylime Fixed in 6.5.2-6.el9_2.alma.1
- keylime-base Fixed in 6.5.2-6.el9_2.alma.1
- keylime-registrar Fixed in 6.5.2-6.el9_2.alma.1
- keylime-selinux Fixed in 6.5.2-6.el9_2.alma.1
- keylime-tenant Fixed in 6.5.2-6.el9_2.alma.1
- keylime-verifier Fixed in 6.5.2-6.el9_2.alma.1
- python3-keylime Fixed in 6.5.2-6.el9_2.alma.1
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- keylime Fixed in 6.5.2-6.el9_2.alma.1
- keylime-base Fixed in 6.5.2-6.el9_2.alma.1
- keylime-registrar Fixed in 6.5.2-6.el9_2.alma.1
- keylime-selinux Fixed in 6.5.2-6.el9_2.alma.1
- keylime-tenant Fixed in 6.5.2-6.el9_2.alma.1
- keylime-verifier Fixed in 6.5.2-6.el9_2.alma.1
- python3-keylime Fixed in 6.5.2-6.el9_2.alma.1
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.