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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (22.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Copeland E3 Supervisory Controller Firmware
- Copeland Site Supervisor Bx 860-1240
- Copeland Site Supervisor Bxe 860-1245
- Copeland Site Supervisor Cx 860-1260
- Copeland Site Supervisor Cxe 860-1265
- Copeland Site Supervisor Rx 860-1220
- Copeland Site Supervisor Rxe 860-1225
- Copeland Site Supervisor Sf 860-1200
- Copeland Lp E3 Supervisory Control — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- dd59f033-460c-4b88-a075-d4d3fedb6191 (Third Party Advisory, Mitigation)
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.