CVE-2025-52551CWE-306

Proprietary protocol allows for unauthenticated file operations

Critical · published September 2, 2025

CVSS v4.0
9.3
EPSS
0%
Percentile
27.0
In the wild
Unconfirmed
What it is

E2 Facility Management Systems use a proprietary protocol that allows for unauthenticated file operations on any file in the file system.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
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
EPSS
0.00347 · 27.0th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2025-09-02T11:30Z
EPSS history
Timeline
  • 02 SEP 11:30Z
    Proprietary protocol allows for unauthenticated file operations
    cvelistv5