Vulnerability in Copeland E3_supervisory_controller_firmware

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.

EPSS: 0.003 (20.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-52543?
CVE-2025-52543 is a high-severity vulnerability in Copeland E3_supervisory_controller_firmware, classified under CWE-836. CVSS score: 7.5/10. Published 2025-09-02.
How severe is CVE-2025-52543?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-52543 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.