CVE-2021-27448 Privilege escalation in MU320E

High 7.8 Published 25 Mar 2021 Updated 3 Aug 2024

Adversaries with local access can escalate privileges on the MU320E due to a file system miscommunication, requiring a firmware upgrade.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-27448?

CVE-2021-27448 is a high-severity vulnerability in MU320E, published on 25 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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).

Weakness: CWE-269, CWE-250

Which versions are affected by CVE-2021-27448?

It affects 1 product.

Products include Ge Mu320e Firmware.

How do I fix CVE-2021-27448?

No fix has been published for CVE-2021-27448 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27448 being exploited?

There is no known exploitation of CVE-2021-27448 in the wild and no public exploit code.

Sources

Also known as GHSA-355w-35c4-fwh9.