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Vulnerability record · CVE-2025-59887 · published 26 December 2025

CVE-2025-59887: Eaton ups companion uncontrolled search path element vulnerability

Eaton · Ups Companion

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.

8.6 CVSS 3.1 High EPSS 0.26% · top 83.9% CWE-427 · Uncontrolled search path element
8.6CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/etn-va-2025-1026.pdf PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-6650Eaton ups companion code injection vulnerabilityUPS companion software v1.05 & Prior is affected by ‘Eval Injection’ vulnerability. The software does not neutralize or incorrectly neutralizes code …EPSS 2.1%7.8CVE-2025-67450Eaton ups companion uncontrolled search path element vulnerabilityDue to insecure library loading in the Eaton UPS Companion software executable, an attacker with access to the software package could perform arbitra…EPSS 0.15%6.7CVE-2025-59888Eaton ups companion unquoted search path vulnerabilityImproper quotation in search paths in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with the acces…EPSS 0.19%7.8CVE-2020-3433Cisco AnyConnect Windows client DLL hijacking via IPC channelCisco AnyConnect Secure Mobility Client for Windows fails to properly validate resources loaded at run time, allowing a DLL hijacking attack through …KEVEPSS 10%analysed6.5CVE-2020-3153Cisco AnyConnect Windows Installer Path Handling Privilege EscalationThe Cisco AnyConnect Secure Mobility Client for Windows installer mishandles directory paths, letting an authenticated local user copy attacker-suppl…KEVEPSS 28%analysed

Source: NIST National Vulnerability Database (record CVE-2025-59887), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.