CVE-2025-52543

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.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:L/SA:L

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-25)

CWE

CWE-836

Published

2025-09-02

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

Affected

• copeland:e3_supervisory_controller_firmware

References

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

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