CVE-2023-38201

Name: CVE-2023-38201
Creator: NVD / NIST
Published: 2023-08-25T17:15:08.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2023-38201 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.46%

36.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Keylime	Keylime	< 7.5.0
Redhat	Enterprise Linux	9.0
Redhat	Enterprise Linux Eus	9.2
Redhat	Enterprise Linux For Ibm Z Systems	9.0_s390x
Redhat	Enterprise Linux For Ibm Z Systems Eus	9.2_s390x
Redhat	Enterprise Linux For Power Little Endian	9.0_ppc64le
Redhat	Enterprise Linux For Power Little Endian Eus	9.2_ppc64le
Redhat	Enterprise Linux Server Aus	9.2
Fedoraproject	Fedora	38

References

https://access.redhat.com/errata/RHSA-2023:5080Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-38201Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2222693Issue Tracking, Patch, Third Party Advisory
https://github.com/keylime/keylime/commit/9e5ac9f25cd400b16d5969f531cee28290543f2aPatch
https://github.com/keylime/keylime/security/advisories/GHSA-f4r5-q63f-gcwwVendor Advisory
https://access.redhat.com/errata/RHSA-2023:5080Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-38201Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2222693Issue Tracking, Patch, Third Party Advisory
https://github.com/keylime/keylime/commit/9e5ac9f25cd400b16d5969f531cee28290543f2aPatch
https://github.com/keylime/keylime/security/advisories/GHSA-f4r5-q63f-gcwwVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZIZZB5NHNCS5D2AEH3ZAO6OQC72IK7WS/

Timeline

Published: Aug 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38201?

How severe is CVE-2023-38201?

CVE-2023-38201 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38201?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38201?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST