TI-2021-08935 Aliases CVE-2021-27448 GHSA-355w-35c4-fwh9

Improper privilege management in MU320E

LOW 34CWE-250Published 2021-03-25 · Updated 2024-08-03

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Privilege escalation
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-250.

Summary

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).

Why it matters now

EPSS 0.00242 15th percentileScored 2026-11-07

Fix Fixed MU320E: v04A00.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	MU320E	before v04A00.1	v04A00.1	Patch available	CNA

MU320E Vendor— Affected before v04A00.1 Fixed in v04A00.1 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:ge:mu320e_firmware::::::::	before 04a00.1	Vulnerable	GE
cpe:2.3:h:ge:mu320e:-:::::::*	not specified by NVD	Running on	GE

cpe:2.3:o:ge:mu320e_firmware:*:*:*:*:*:*:*:* Versions before 04a00.1 Vulnerable ·GE
cpe:2.3:h:ge:mu320e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·GE

Remediation

Fix · CNA MU320E Fixed in v04A00.1

Timeline

2026-10-02 Threatist record created from CVE-2021-27448
2026-10-03 Alias added: GHSA-355w-35c4-fwh9

References

Advisory 1

https://us-cert.cisa.gov/ics/advisories/icsa-21-082-02

TI-2021-08939 Hard-coded credentials in MU320E CVSS 3.1HIGH 7.8
TI-2021-08937 SSH server configuration file does not implement some best practices. CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences