Vulnerability in Puppet Enterprise
CVE-2023-1894
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.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (36.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Puppet Enterprise — versions 2021.7.1, 2023.0.0
- Puppet Enterprise — versions 2021.7.1, 2023.0
- Puppet Server — versions 7.9.2
- Puppet Server — versions 7.9.2
Weakness classification (CWE)
References
- www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-1894?
- CVE-2023-1894 is a medium-severity vulnerability in Puppet Enterprise, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2023-05-04.
- How severe is CVE-2023-1894?
- Medium severity. CVSS v3 base score is 5.3 out of 10.