{"cve":"CVE-2023-38201","nvd":{"published":"2023-08-25T17:15:08.530","modified":"2026-06-17T06:09:39.233","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-639"],"references":["https://access.redhat.com/errata/RHSA-2023:5080","https://access.redhat.com/security/cve/CVE-2023-38201","https://bugzilla.redhat.com/show_bug.cgi?id=2222693","https://github.com/keylime/keylime/commit/9e5ac9f25cd400b16d5969f531cee28290543f2a","https://github.com/keylime/keylime/security/advisories/GHSA-f4r5-q63f-gcww"],"products":["fedoraproject:fedora","keylime:keylime","redhat:enterprise_linux","redhat:enterprise_linux_eus","redhat:enterprise_linux_for_ibm_z_systems","redhat:enterprise_linux_for_ibm_z_systems_eus","redhat:enterprise_linux_for_power_little_endian","redhat:enterprise_linux_for_power_little_endian_eus","redhat:enterprise_linux_server_aus"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-38201","score":0.0049,"percentile":0.42143,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-f4r5-q63f-gcww","url":"https://osv.dev/vulnerability/GHSA-f4r5-q63f-gcww","summary":"Keylime registrar and (untrusted) Agent can be bypassed by an attacker","modified":"2026-07-08T06:53:11.696307593Z","packages":[{"ecosystem":"PyPI","name":"keylime","purl":"pkg:pypi/keylime","ranges":["<7.5.0"],"fixed":["7.5.0"]}]},{"id":"PYSEC-2023-160","url":"https://osv.dev/vulnerability/PYSEC-2023-160","summary":"","modified":"2023-11-08T04:13:06.956471Z","packages":[{"ecosystem":"PyPI","name":"keylime","purl":"pkg:pypi/keylime","ranges":["<7.5.0"],"fixed":["7.5.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}