What is CVE-2021-27452?

CVE-2021-27452 is a high-severity vulnerability in Ge Mu320e, classified under Use of Hard-coded Password. CVSS score: 7.8/10. Published 2021-03-25.

How severe is CVE-2021-27452?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Ge Mu320e

CVE-2021-27452

The software contains a hard-coded password that could allow an attacker to take control of the merging unit using these hard-coded credentials on the MU320E (all firmware versions prior to v04A00.1).

Published 2021-03-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (16.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Ge Mu320e
Ge Mu320e Firmware
Mu320e — versions All firmware versions prior to v04A00.1

Weakness classification (CWE)

References

us-cert.cisa.gov/ics/advisories/icsa-21-082-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-27452?: CVE-2021-27452 is a high-severity vulnerability in Ge Mu320e, classified under Use of Hard-coded Password. CVSS score: 7.8/10. Published 2021-03-25.
How severe is CVE-2021-27452?: High severity. CVSS v3 base score is 7.8 out of 10.