CVE-2025-66266
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-26

Last updated on: 2025-11-26

Assigner: Gridware

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
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-11-26
Last Modified
2025-11-26
Generated
2026-06-16
AI Q&A
2025-11-26
EPSS Evaluated
2026-06-15
NVD
CVE-2025-66266
EUVD
EUVD-2025-199688
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
upsilon upsilon_2000 4.0
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability involves the RupsMon.exe service executable in UPSilon 2000 having insecure permissions that allow the 'Everyone' group full control. This means a local attacker can replace the executable with a malicious binary or change the service's configuration path to a command. By starting and stopping the service, the attacker can execute code with SYSTEM privileges, leading to privilege escalation.

Impact Analysis

The vulnerability can allow a local attacker to execute arbitrary code with SYSTEM-level privileges on the affected system. This can lead to full control over the system, unauthorized access, and potential compromise of sensitive data or system integrity.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-66266. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart