Resource exhaustion in Keymetric Pm2
CVE-2025-5891
A vulnerability classified as problematic was found in Unitech pm2 up to 6.0.6. This vulnerability affects unknown code of the file /lib/tools/Config.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (48.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Keymetric Pm2
- Unitech Pm2 — versions 6.0.0, 6.0.1, 6.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Unitech/pm2/pull/5971 (issue-tracking, Exploit, Patch, Issue Tracking)
- gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385 (Product, exploit)
Frequently asked questions
- What is CVE-2025-5891?
- CVE-2025-5891 is a medium-severity vulnerability in Keymetric Pm2, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2025-06-09.
- How severe is CVE-2025-5891?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2025-5891 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.