CVE-2025-52550: site supervisor Signature Bypass (CVSS 7.2)

Description

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.

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CVSS v3.1 Score

7.2

HIGH

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

Weakness Type (CWE)

CWE-347 CWE-347

Affected Products

Vendor	Product	Versions
copeland	e3_supervisory_controller_firmware	< 2.31f01
copeland	site_supervisor_bx_860-1240	All
copeland	site_supervisor_bxe_860-1245	All
copeland	site_supervisor_cx_860-1260	All
copeland	site_supervisor_cxe_860-1265	All
copeland	site_supervisor_rx_860-1220	All
copeland	site_supervisor_rxe_860-1225	All
copeland	site_supervisor_sf_860-1200	All

References

Other References

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

Frequently Asked Questions

What is CVE-2025-52550? +

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. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2025-52550? +

CVE-2025-52550 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-52550? +

CVE-2025-52550 affects products from copeland, specifically: e3_supervisory_controller_firmware, site_supervisor_bx_860-1240, site_supervisor_bxe_860-1245, site_supervisor_cx_860-1260, site_supervisor_cxe_860-1265, site_supervisor_rx_860-1220, site_supervisor_rxe_860-1225, site_supervisor_sf_860-1200. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-52550? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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