CVE-2025-59887

HIGH

Eaton UPS Companion < 3.0 - Unauthenticated Arbitrary Code Execution via Library File Authentication Bypass

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 8.6
EPSS 0.0027
EPSS Percentile 17.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-427
Status published
Products (1)
eaton/ups_companion < 3.0
Published Dec 26, 2025
Tracked Since Feb 18, 2026