SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

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.

HIGH 8.6EPSS 0.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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
8.6 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
0.27% probability · 18th percentile
CISA KEV
Not listed
Weakness
CWE-427
Affected
eaton/ups companion
Source
CybersecurityCOE@eaton.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.