VULNERABILITY INTELLIGENCE

CVE-2021-27430

CVSS score8.4 HIGH

EPSS probability0.25%

CISA KEVNot currently listed

Published2022-03-23

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

ics-cert@hq.dhs.gov: CWE-798
nvd@nist.gov: CWE-798

Primary references

ics-cert@hq.dhs.gov — Mitigation, Third Party Advisory, US Government Resource
ics-cert@hq.dhs.gov — Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Vendor Advisory