CVE-2025-52548

Enabling SSH and Shellinabox on the vulnerable machine

Published Sep 2, 2025 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
E3 Site Supervisor Control (firmware version < 2.31F01) contains a hidden API call in the application services that enables SSH and Shellinabox, which exist but are disabled by default. An attacker with admin access to the application services can utilize this API to enable remote access to the underlying OS.

Remediation

Vendor Solution

Upgrade firmware of affected E3 Supervisory Controls to a version > 2.30F1.


Vendor Workaround

Restrict access to the E3 Supervisory Controls network interface (ETH 0) by use of restricted VLAN or subnet and / or network firewall. Ensure the restricted VLAN or subnet is never accessible from untrusted networks.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-28445 E3 Site Supervisor Control (firmware version < 2.31F01) contains a hidden API call in the application services that enables SSH and Shellinabox, which exist but are disabled by default. An attacker with admin access to the application services can utilize this API to enable remote access to the underlying OS.
History
Type Values Removed Values Added
First Time appeared Copeland
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
CPEs cpe:2.3:h:copeland:site_supervisor_bx_860-1240:-:*:*:*:*:*:*:*
cpe:2.3:h:copeland:site_supervisor_bxe_860-1245:-:*:*:*:*:*:*:*
cpe:2.3:h:copeland:site_supervisor_cx_860-1260:-:*:*:*:*:*:*:*
cpe:2.3:h:copeland:site_supervisor_cxe_860-1265:-:*:*:*:*:*:*:*
cpe:2.3:h:copeland:site_supervisor_rx_860-1220:-:*:*:*:*:*:*:*
cpe:2.3:h:copeland:site_supervisor_rxe_860-1225:-:*:*:*:*:*:*:*
cpe:2.3:h:copeland:site_supervisor_sf_860-1200:-:*:*:*:*:*:*:*
cpe:2.3:o:copeland:e3_supervisory_controller_firmware:*:*:*:*:*:*:*:*
Vendors & Products Copeland
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
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description E3 Site Supervisor Control (firmware version < 2.31F01) contains a hidden API call in the application services that enables SSH and Shellinabox, which exist but are disabled by default. An attacker with admin access to the application services can utilize this API to enable remote access to the underlying OS.
Title Enabling SSH and Shellinabox on the vulnerable machine
Weaknesses CWE-1242
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}