What is CVE-2021-27428?

CVE-2021-27428 is a critical-severity vulnerability in Ge Multilin_b30, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-03-23.

How severe is CVE-2021-27428?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Ge Multilin_b30

CVE-2021-27428

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…

Vulnerability class: Unrestricted File Upload

EPSS: 0.012 (63.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

ics-cert@hq.dhs.gov (x_refsource_CONFIRM, US Government Resource, Third Party Advisory, Mitigation)
ics-cert@hq.dhs.gov (Vendor Advisory, Permissions Required, x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-27428?: CVE-2021-27428 is a critical-severity vulnerability in Ge Multilin_b30, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-03-23.
How severe is CVE-2021-27428?: Critical severity. CVSS v3 base score is 9.8 out of 10.