CVE-2025-52550

HIGH
2025-09-02 dd59f033-460c-4b88-a075-d4d3fedb6191
8.6
CVSS 4.0
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CVSS Vector

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:10 vuln.today
CVE Published
Sep 02, 2025 - 12:15 nvd
HIGH 8.6

Tags

Information Disclosure Jwt Attack E3 Supervisory Controller Firmware

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.

Analysis

E3 Site Supervisor Control (firmware version < 2.31F01) firmware upgrade packages are unsigned. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified under CWE-347. 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. Affected products include: Copeland E3 Supervisory Controller Firmware.

Affected Products

Copeland E3 Supervisory Controller Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +43
POC: 0

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CVE-2025-52550 vulnerability details – vuln.today
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