Critical severity · published Sep 2, 2025
CVE-2025-52551
Proprietary protocol allows for unauthenticated file operations
9.3
CVSS
0.3%
EPSS
No
On KEV
Description
E2 Facility Management Systems use a proprietary protocol that allows for unauthenticated file operations on any file in the file system.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EF
E2 Facility Management System · Copeland LP
through <=4.11F02 · source: vendor