VULNERABILITY INTELLIGENCE

CVE-2021-27428

CVSS score9.8 CRITICAL

EPSS probability1.21%

CISA KEVNot currently listed

Published2022-03-23

Last modified2026-06-17

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

Description

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.

Weakness classification

ics-cert@hq.dhs.gov: CWE-434
nvd@nist.gov: CWE-434

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