CVE-2023-1894 | BDVDB-2026-201476 Detail

PuppetPuppet Enterprise

Description#

A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed down server operations.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: network.

Weaknesses#

CWE-1333 Inefficient Regular Expression Complexity

References#

https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos

Exploit#

No public exploit known

History#

Version 12023-05-04Record published in the CVE List.
Version 22025-01-29Most recent update recorded in the CVE List.

Published

Published: 2023-05-04
Last modified: 2025-01-29

Vendor information

Vendor: Puppet
Product: Puppet Enterprise

All Puppet vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 38.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2021.7.1 and < 2021.7.3
Fixed
2021.7.3
Vulnerable
>= 2023.0.0 and < 2023.1.0
Fixed
2023.1.0

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.3 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).