CVE-2025-5891
CVE-2025-5891 is a medium-severity vulnerability in Keymetric Pm2 with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.0
- CVSS v4: 2.1
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-17577
- Weakness: CWE-1333
- Affected product: Keymetric Pm2
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2025-5891?
- CVE-2025-5891 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2025-5891 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-5891?
- CVE-2025-5891 affects Keymetric Pm2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-5891?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-5891 have an EU (EUVD) identifier?
- Yes. CVE-2025-5891 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17577.
- When was CVE-2025-5891 published?
- CVE-2025-5891 was published on 2025-06-09 and last updated on 2026-06-17.
References
- https://gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385
- https://github.com/Unitech/pm2/pull/5971
- https://vuldb.com/?ctiid.311662
- https://vuldb.com/?id.311662
- https://vuldb.com/?submit.585750
Affected products (1)
- cpe:2.3:a:keymetric:pm2:*:*:*:*:*:*:*:*
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