CVE-2021-27448

Name: CVE-2021-27448
Creator: NVD / NIST
Published: 2021-03-25T20:15:13.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2021-27448 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A miscommunication in the file system allows adversaries with access to the MU320E to escalate privileges on the MU320E (all firmware versions prior to v04A00.1).. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

A miscommunication in the file system allows adversaries with access to the MU320E to escalate privileges on the MU320E (all firmware versions prior to v04A00.1).

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.23%

14.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ge	Mu320e Firmware	< 04a00.1

References

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

Timeline

Published: Mar 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27448?

A miscommunication in the file system allows adversaries with access to the MU320E to escalate privileges on the MU320E (all firmware versions prior to v04A00.1).

How severe is CVE-2021-27448?

CVE-2021-27448 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27448?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27448?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST