Vulnerability identifier: #VU51531

Vulnerability risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27430

CWE-ID: CWE-798

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
UR bootloader binary
Other software / Other software solutions
B30
Hardware solutions / Firmware
C30
Hardware solutions / Firmware
C60
Hardware solutions / Firmware
C70
Hardware solutions / Firmware
C95
Hardware solutions / Firmware
D30
Hardware solutions / Firmware
D60
Hardware solutions / Firmware
F35
Hardware solutions / Firmware
F60
Hardware solutions / Firmware
G30
Hardware solutions / Firmware
G60
Hardware solutions / Firmware
L30
Hardware solutions / Firmware
L60
Hardware solutions / Firmware
L90
Hardware solutions / Firmware
M60
Hardware solutions / Firmware
N60
Hardware solutions / Firmware
T35
Hardware solutions / Firmware
T60
Hardware solutions / Firmware

Vendor: GE

Description

The vulnerability allows a local attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A local attacker can interrupt the boot sequence by rebooting the UR. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

UR bootloader binary: 7.00 - 7.02

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-075-02

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.