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01 Record

CVE-2023-38201

Keylime: challenge-response protocol bypass during agent registration

MediumPUBLISHEDCNA: redhat
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

VendorProductVersionsPlatforms
Red HatRed Hat Enterprise Linux 9Not specified—

06 References

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.