What’s Vulnerable › Vulnerabilities

CVE-2023-1894

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-04 · updated 2026-06-17
• Weakness: CWE-1333

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.

Affected products

• Puppet Enterprise: 2021.7.1, 2023.0
• Puppet server: 7.9.2

References

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

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