CVE-2025-59887CWE-427

CVE-2025-59887

High · published December 26, 2025

CVSS v3.1
8.6
EPSS
0%
Percentile
16.9
In the wild
Unconfirmed
What it is

⚡ Improper authentication in Eaton's UPS Companion software opens the door to a world of trouble! An attacker could execute their own code if they get hold of the software package. 🔥 Think of it like a hotel where the front desk staff has no clue about checking IDs—anyone could walk in and start changing things in the guest registry, and that’s exactly what this vulnerability allows! If an attacker gains access, they could execute arbitrary code with the same privileges as the software, potentially compromising sensitive data or even hijacking system functionalities. That's a recipe for disaster, especially for systems relying on UPS operations!

Put simply

Think of it like a hotel where the front desk staff has no clue about checking IDs—anyone could walk in and start changing things in the guest registry, and that’s exactly what this vulnerability allows! This vulnerability stems from improper authentication of library files during the Eaton UPS Companion software installation process, allowing potential exploitation once an attacker accesses the package.

What to do

If an attacker gains access, they could execute arbitrary code with the same privileges as the software, potentially compromising sensitive data or even hijacking system functionalities. That's a recipe for disaster, especially for systems relying on UPS operations! To protect yourself, update to the latest version of the Eaton UPS Companion software available on the Eaton download center. Regularly monitor for updates and conduct audits on your software packages to ensure secure installations. You've got this! Patch up, secure your systems, and keep things running smoothly! 🛡️

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00261 · 16.9th percentile
Weakness
CWE-427 · Uncontrolled Search Path Element
Published
2025-12-26T12:15Z
Affected products (1)
ProductVersionsFixed in
eaton/ups_companion< 3.03.0
References (1)
EPSS history
Timeline
  • 26 DEC 06:48Z
    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…
    cvelistv5