CVE-2025-52551

Proprietary protocol allows for unauthenticated file operations

Published Sep 2, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
E2 Facility Management Systems use a proprietary protocol that allows for unauthenticated file operations on any file in the file system.

Remediation

Vendor Workaround

Restrict access to the E2 Facilities Management System ethernet network interface by use of restricted VLAN or subnet and / or network firewall. Ensure the restricted VLAN or subnet is never accessible from untrusted networks.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-26381 E2 Facility Management Systems use a proprietary protocol that allows for unauthenticated file operations on any file in the file system.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description E2 Facility Management Systems use a proprietary protocol that allows for unauthenticated file operations on any file in the file system.
Title Proprietary protocol allows for unauthenticated file operations
Weaknesses CWE-306
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:L/SA:L'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Armis
Published
Updated
Sep 2, 2025, 1:33 PM
Reserved
Jun 17, 2025, 5:29 PM
Status
Deferred
Published
Sep 2, 2025, 12:15 PM
Modified
Jun 17, 2026, 9:36 AM