CVE-2025-52543: Login to the application services using only the password hash

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-02 · updated 2026-10-23
Weakness: CWE-836

Description

E3 Site Supervisor Control (firmware version < 2.31F01) application services (MGW and RCI) uses client side hashing for authentication. An attacker can authenticate by obtaining only the password hash.

Affected products

Copeland LP E3 Supervisory Control: before 2.31f01 — fixed in 2.31f01

How to fix

Upgrade to a fixed version: Copeland LP E3 Supervisory Control 2.31f01. Check the vendor advisory for mitigations.

References

https://www.armis.com/research/frostbyte10/

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