CVE-2025-27257 | Nozomi Networks Labs

Summary

Insufficient Verification of Data Authenticity vulnerability in GE Vernova UR IED family devices allows an authenticated user to install a modified firmware.The firmware signature verification is enforced only on the client-side dedicated software Enervista UR Setup, allowing the integration check to be bypassed.

Impact

An authenticated attacker can install a malicious firmware on a vulnerable device

Issue Date

March 7, 2025

Affects

This issue affect the GE Vernova UR IED device family from version 7.0 to 8.60

CVE Name

CVE-2025-27257

CVSS Details

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

CVSS Score

6.1

Solution

Update the firmware of affected devices to the latest released version

Mitigations

Acknowledgements

Diego Giubertoni of Nozomi Networks

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