CVE-2025-52550

8.6 highEPSS 0.2%

High (8.6) in copeland e3 supervisory controller firmware. EPSS 0.2% chance of exploitation in the next 30 days.

E3 Site Supervisor Control (firmware version < 2.31F01) firmware upgrade packages are unsigned. An attacker can forge malicious firmware upgrade packages. An attacker with admin access to the application services can install a malicious firmware upgrade.

Severity

CVSS 4.0

8.6 high

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

CVSS 3.1

7.2 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE: CWE-347
Published: 2025-09-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

copeland:e3_supervisory_controller_firmware

References

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

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