Metrics
Affected Vendors & Products
Source | ID | Title |
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EUVD-2021-14174 | GE UR firmware versions prior to version 8.1x web server task does not properly handle receipt of unsupported HTTP verbs, resulting in the web server becoming temporarily unresponsive after receiving a series of unsupported HTTP requests. When unresponsive, the web server is inaccessible. By itself, this is not particularly significant as the relay remains effective in all other functionality and communication channels. |
Solution
GE strongly recommends users with impacted firmware versions update their UR devices to UR firmware Version 8.10, or greater to resolve these vulnerabilities. GE provides additional mitigations and information about these vulnerabilities in GE Publication Number: GES-2021-004 (login required).
Workaround
GE recommends protecting UR IED by using network defense-in-depth practices. This includes, but is not limited to, placing UR IED inside the control system network security perimeter, and having access controls, monitoring (such as an Intrusion Detection System), and other mitigating technologies in place. GE recommends users refer to the UR Deployment guide for secure configuration of UR IED and system.
Wed, 16 Apr 2025 17:15:00 +0000
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Status: PUBLISHED
Assigner: icscert
Published:
Updated: 2025-04-16T16:40:57.091Z
Reserved: 2021-02-19T00:00:00.000Z
Link: CVE-2021-27420

Updated: 2024-08-03T20:48:17.154Z

Status : Modified
Published: 2022-03-23T20:15:08.310
Modified: 2024-11-21T05:57:57.210
Link: CVE-2021-27420

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