Firmware Modification Vulnerability in GE Vernova UR IED Devices
CVE-2025-27257

6.1MEDIUM

Key Information:

Vendor

Ge Vernova

Status
N60 Multilin
B30 Multilin
B90 Multilin
C30 Multilin
Vendor
CVE Published:
10 March 2025

What is CVE-2025-27257?

A vulnerability in GE Vernova UR IED family devices permits authenticated users to install modified firmware due to inadequate verification of data authenticity. The existing firmware signature verification occurs solely on the client-side with Enervista UR Setup software, allowing potential bypass of the integration checks. This issue emphasizes the critical need for robust verification processes to ensure the integrity of firmware updates and safeguard against unauthorized modifications.

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Affected Version(s)

B30 Multilin 7.0 <= 8.60

B90 Multilin 7.0 <= 8.60

C30 Multilin 7.0 <= 8.60

References

https://www.gevernova.com/grid-solutions/app/DownloadFile...
https://www.nozominetworks.com/labs/vulnerability-advisor...

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Diego Giubertoni of Nozomi Networks found this bug during a security research activity.
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