CVE-2025-59887
CVE-2025-59887 is a high-severity vulnerability in Eaton Ups Companion with a CVSS 3.x base score of 8.6. 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-427.
Key facts
- Severity: High (CVSS 3.x base score 8.6)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-205429
- Weakness: CWE-427
- Affected product: Eaton Ups Companion
- Published:
- Last modified:
Description
Improper authentication of library files in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with the access to the software package. This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.
Frequently asked questions
- What is CVE-2025-59887?
- Improper authentication of library files in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with the access to the software package. This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.
- How severe is CVE-2025-59887?
- CVE-2025-59887 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-59887 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-59887?
- CVE-2025-59887 affects Eaton Ups Companion. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-59887?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-59887 have an EU (EUVD) identifier?
- Yes. CVE-2025-59887 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205429.
- When was CVE-2025-59887 published?
- CVE-2025-59887 was published on 2025-12-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:eaton:ups_companion:*:*:*:*:*:*:*:*
More vulnerabilities in Eaton Ups Companion
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