Description
CMService.exe creates the C:\\usr directory and subdirectories with insecure permissions, granting write access to all authenticated users. This allows attackers to replace configuration files (such as snmp.conf) or hijack DLLs to escalate privileges.
Published: 2025-11-26
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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History

Thu, 27 Nov 2025 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Megatec
Megatec upsilon2000
Microsoft
Microsoft windows
Vendors & Products Megatec
Megatec upsilon2000
Microsoft
Microsoft windows

Wed, 26 Nov 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 26 Nov 2025 01:15:00 +0000

Type Values Removed Values Added
Description CMService.exe creates the C:\\usr directory and subdirectories with insecure permissions, granting write access to all authenticated users. This allows attackers to replace configuration files (such as snmp.conf) or hijack DLLs to escalate privileges.
Title Insecure permissions in configuration directory (C:\\usr)
Weaknesses CWE-269
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L'}


Subscriptions

Megatec Upsilon2000
Microsoft Windows
cve-icon MITRE

Status: PUBLISHED

Assigner: Gridware

Published:

Updated: 2025-11-26T15:31:02.065Z

Reserved: 2025-11-26T01:02:56.464Z

Link: CVE-2025-66265

cve-icon Vulnrichment

Updated: 2025-11-26T15:30:57.370Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-26T01:16:10.173

Modified: 2025-12-01T15:39:53.100

Link: CVE-2025-66265

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-27T16:26:30Z

Weaknesses