CVE-2023-5255

MEDIUMNVD 4.44.4—

4.4

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

CVSS v3: 4.4
EG Score: 4.4(medium)
EPSS: 35.2%
KEV: Not listed

Published

October 3, 2023

Last Modified

November 20, 2025

References (2)

security@puppethttps://www.puppet.com/security/cve/cve-2023-5255-denial-service-revocation-auto-renewed-certificates
af854a3a-2127-422b-91ae-364da2661108https://www.puppet.com/security/cve/cve-2023-5255-denial-service-revocation-auto-renewed-certificates

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-404Improper Resource Shutdown or Release

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 16:35 UTCEG score recompute
2026-05-24 16:35 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-5255?

CVE-2023-5255 is a medium vulnerability published on October 3, 2023. For certificates that utilize the auto-renew feature in Puppet Server, a flaw exists which prevents the certificates from being revoked.

When was CVE-2023-5255 disclosed?

CVE-2023-5255 was first published in the National Vulnerability Database on October 3, 2023, with the most recent update on November 20, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-5255 actively exploited?

CVE-2023-5255 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2023-5255 has a CVSS v3 base score of 4.4 (NVD).

How do I remediate CVE-2023-5255?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-5255, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-5255

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-5255?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)