high
7.5
CWE
319 200
Advisory Published
Updated

CVE-2021-27422: GE UR family exposure of sensitive information to an unauthorized actor

First published: Wed Mar 23 2022(Updated: )

GE UR firmware versions prior to version 8.1x web server interface is supported on UR over HTTP protocol. It allows sensitive information exposure without authentication.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
GE Web Server
GE Access
GE Access
GE Access
GE Access
GE UR bootloader binary
Ge Multilin B30 Firmware<8.10
Ge Multilin B30 Firmware
Ge Multilin B90 Firmware<8.10
Ge Multilin B90 Firmware
Ge Multilin C60 Firmware<8.10
Ge Multilin C60 Firmware
Ge Multilin C70 Firmware<8.10
Ge Multilin C70 Firmware
Ge Multilin C95<8.10
Ge Multilin C95 Firmware
GE Multilin D30 Firmware<8.10
GE Multilin D30 Firmware
Ge D60 Line Distance Relay Firmware<8.10
Ge Multilin D60 Firmware
GE Multilin F35<8.10
Ge Multilin F35 Firmware
Ge Multilin F60 Firmware<8.10
GE Multilin F60
Ge Multilin G30 Firmware<8.10
Ge Multilin G30 Firmware
Ge Multilin G60<8.10
Ge Multilin G60 Firmware
Ge Multilin L30 Firmware<8.10
Ge Multilin L30 Firmware
Ge Multilin L60<8.10
GE Multilin L60 Firmware
GE Multilin L90<8.10
GE Multilin L90
Ge Multilin M60 Firmware<8.10
Ge Multilin M60 Firmware
GE Multilin N60 Firmware<8.10
Ge Multilin N60
Ge Multilin T35 Firmware<8.10
Ge Multilin T35 Firmware
Ge Multilin T60 Firmware<8.10
Ge Multilin T60 Firmware
GE Multilin C30<8.10
Ge Multilin C30 Firmware

Remedy

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).

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-27422?

    CVE-2021-27422 is a vulnerability in GE UR firmware versions prior to version 8.1x that allows sensitive information exposure without authentication.

  • What is the severity of CVE-2021-27422?

    The severity of CVE-2021-27422 is high, with a CVSS severity value of 7.5.

  • Which software versions are affected by CVE-2021-27422?

    GE UR firmware versions prior to 8.1x are affected by CVE-2021-27422.

  • How can I fix CVE-2021-27422?

    To fix CVE-2021-27422, update your GE UR firmware to version 8.1x or later.

  • Where can I find more information about CVE-2021-27422?

    You can find more information about CVE-2021-27422 on the CISA and GE Grid Solutions websites.

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