CVE-2025-52549

Predictable root linux password generation

Published Sep 2, 2025 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
E3 Site Supervisor Control (firmware version < 2.31F01) generates the root linux password on each boot. An attacker can generate the root linux password for a vulnerable device based on known or easy to fetch parameters.

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-2025-26396 E3 Site Supervisor Control (firmware version < 2.31F01) generates the root linux password on each boot. An attacker can generate the root linux password for a vulnerable device based on known or easy to fetch parameters.
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': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description E3 Site Supervisor Control (firmware version < 2.31F01) generates the root linux password on each boot. An attacker can generate the root linux password for a vulnerable device based on known or easy to fetch parameters.
Title Predictable root linux password generation
Weaknesses CWE-522
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:L/SA:L'}