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CVE-2023-5255

Denial of Service for Revocation of Auto Renewed Certificates

HIGH
7.5
CVSS Score
Published: October 3, 2023 at 05:54 PM UTC
Updated: June 17, 2026 at 06:48 AM UTC
2 products affected across 1 vendorPuppet EnterprisePuppet

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Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Puppet· Puppet
95%
8.2.08.2.1
Puppet Enterprise· Puppet
95%
Puppet Enterprise 2023.3 ≤ v ≤ 2023.4Puppet Server 8.2.0 ≤ v ≤ 8.2.32023.3Puppet Server 8.2.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.puppet.com/security/cve/cve-2023-5255-denial-service-revocation-auto-renewed-certificates

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-404

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