CVEvulnerability

CVE-2025-66266

9.3 CRITICAL Published 2025-11-26 Modified 2026-10-18 Official page ↗
Status
Deferred
Published
2025-11-26
Last modified
2026-10-18
Assigner
b7efe717-a805-47cf-8e9a-921fca0ce0ce
CVSS 4.0 (b7efe717-a805-47cf-8e9a-921fca0ce0ce)
9.3 CRITICAL — CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-269

Description

The RupsMon.exe service executable in UPSilon 2000 has insecure permissions, allowing the 'Everyone' group Full Control. A local attacker can replace the executable with a malicious binary to execute code with SYSTEM privileges or simply change the config path of the service to a command; starting and stopping the service to immediately achieve code execution and privilege escalation

Related

Weakness · CWE (1)

  • CWE-269 Improper Privilege Management weakness

References