CVE-2021-27430: GE UR family hardcoded credentials
Published Mar 23, 2022
·Updated
GE UR bootloader binary Version 7.00, 7.01 and 7.02 included unused hardcoded credentials. Additionally, a user with physical access to the UR IED can interrupt the boot sequence by rebooting the UR.
Affected Software
9 affected components
GE Vulnerabilities related to SSH Support: firmware versions 7.4x to 8.0x (CyberSentry option)
GE Web server vulnerabilities: all firmware versions prior to version 8.1x
GE Protection from unintended firmware upload: all firmware versions prior to 8.1x with basic security option
GE Provisions to disable Factory Mode: all firmware versions prior to 8.1x with basic security option
GE Access to “Last-key pressed” register: all firmware versions prior to 8.1x with basic security option
GE Weakness in UR bootloader binary: all bootloader versions prior to 7.03/7.04
GE UR bootloader binary=7.00
GE UR bootloader binary=7.01
GE UR bootloader binary=7.02
Remediation
Information
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).
Event History
Mar 23, 2022
CVE Published
via MITRE·07:46 PM
Data Sourced
via MITRE·07:46 PM
RemedyDescriptionSeverityWeakness
Frequently Asked Questions
1
What is the vulnerability ID for this issue?
The vulnerability ID is CVE-2021-27430.
2
What is the severity of CVE-2021-27430?
The severity of CVE-2021-27430 is high.
3
Which software versions are affected by CVE-2021-27430?
GE UR bootloader binary versions 7.00, 7.01, and 7.02 are affected byCVE-2021-27430.
4
Is physical access required to exploit CVE-2021-27430?
Yes, physical access to the UR IED is required to exploit CVE-2021-27430.
5
Are there any references available for CVE-2021-27430?
Yes, you can find references for CVE-2021-27430 at the following links: [Reference 1](https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02) and [Reference 2](https://www.gegridsolutions.com/Passport/Login.aspx).