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No exploitation reported

CVE-2023-5255

No exploitation reported by the sources we read.

  • Published2023-10-03
  • WeaknessCWE-404

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

For certificates that utilize the auto-renew feature in Puppet Server, a flaw exists which prevents the certificates from being revoked.

Timeline

dates in UTC
  1. 2023-10-0318:15CVE publishedNVD

Versions per branch

NVD
Puppet puppet server
BranchAffectedFixed in
8.2= 8.2.0no fix published
8.2= 8.2.1no fix published
Puppet puppet enterprise
BranchAffectedFixed in
2023.3= 2023.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As puppet, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Puppet Enterpriseother versions: not affected

    package Puppet Server

    Affected
    • ≥ Puppet Enterprise 2023.3, ≤ 2023.4no fix statedsemver
    • ≥ Puppet Server 8.2.0, ≤ 8.2.3no fix statedsemver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-10-03

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • puppetUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • puppetUbuntu:22.04:LTSall versions · no fixed version listed
  • puppetUbuntu:20.04:LTSall versions · no fixed version listed
  • puppetUbuntu:18.04:LTSall versions · no fixed version listed
  • puppetUbuntu:14.04:LTSall versions · no fixed version listed

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionnone2024-09-19
  • CNACVSS 3.14.4known since 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • CNAweakness (CWE)CWE-404known since 2026-10-23
  • NVDweakness (CWE)CWE-404read 2026-10-23
  • FIRST EPSSEPSS score0.5 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2023-10-03
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-q3vx-5wxp-g986

Frequently asked questions

What is CVE-2023-5255?

For certificates that utilize the auto-renew feature in Puppet Server, a flaw exists which prevents the certificates from being revoked.

Is CVE-2023-5255 actively exploited?

Active exploitation of CVE-2023-5255 has not been confirmed. Its EPSS score was 0.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-5255?

CVE-2023-5255 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record