critical
9.8
CWE
434
Advisory Published
Updated

CVE-2021-27428: GE UR family Unrestricted Upload of File with Dangerous Type

First published: Wed Mar 23 2022(Updated: )

GE UR IED firmware versions prior to version 8.1x supports upgrading firmware using UR Setup configuration tool – Enervista UR Setup. This UR Setup tool validates the authenticity and integrity of firmware file before uploading the UR IED. An illegitimate user could upgrade firmware without appropriate privileges. The weakness is assessed, and mitigation is implemented in firmware Version 8.10.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
Ge Multilin B30 Firmware<8.10
Ge Multilin B30
Ge Multilin B90 Firmware<8.10
Ge Multilin B90
Ge Multilin C60 Firmware<8.10
Ge Multilin C60
Ge Multilin C70 Firmware<8.10
Ge Multilin C70
Ge Multilin C95 Firmware<8.10
Ge Multilin C95
Ge Multilin D30 Firmware<8.10
Ge Multilin D30
Ge Multilin D60 Firmware<8.10
Ge Multilin D60
Ge Multilin F35 Firmware<8.10
Ge Multilin F35
Ge Multilin F60 Firmware<8.10
Ge Multilin F60
Ge Multilin G30 Firmware<8.10
Ge Multilin G30
Ge Multilin G60 Firmware<8.10
Ge Multilin G60
Ge Multilin L30 Firmware<8.10
Ge Multilin L30
Ge Multilin L60 Firmware<8.10
Ge Multilin L60
Ge Multilin L90 Firmware<8.10
Ge Multilin L90
Ge Multilin M60 Firmware<8.10
Ge Multilin M60
Ge Multilin N60 Firmware<8.10
Ge Multilin N60
Ge Multilin T35 Firmware<8.10
Ge Multilin T35
Ge Multilin T60 Firmware<8.10
Ge Multilin T60
Ge Multilin C30 Firmware<8.10
Ge Multilin C30
GE Weakness in UR bootloader binary: all bootloader versions prior to 7.03/7.04

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-2021-27428?

    CVE-2021-27428 is a vulnerability that affects GE UR IED firmware versions prior to version 8.1x.

  • How does CVE-2021-27428 impact GE UR IED firmware?

    CVE-2021-27428 allows illegitimate users to upgrade firmware without proper validation, potentially compromising the authenticity and integrity of the firmware file.

  • What is the severity of CVE-2021-27428?

    CVE-2021-27428 has a severity rating of 9.8 (Critical).

  • How can I fix CVE-2021-27428?

    To fix CVE-2021-27428, users should update their GE UR IED firmware to version 8.1x or later.

  • Where can I find more information about CVE-2021-27428?

    More information about CVE-2021-27428 can be found at the following references: [CISA Advisory](https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02) and [GE Grid Solutions](https://www.gegridsolutions.com/Passport/Login.aspx).

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