CVE-2023-34216 Second Order Command-injection Vulnerability in the Key-delete Function

High 8.1 Published 17 Aug 2023 Updated 8 Oct 2024

Attackers can delete arbitrary files via insufficient input validation in the key-delete function of Moxa industrial routers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-34216?

CVE-2023-34216 is a high-severity path traversal vulnerability in Moxa EDR-G9010 Series, published on 17 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

TN-4900 Series firmware versions v1.2.4 and prior and TN-5900 Series firmware versions v3.3 and prior are vulnerable to the command-injection vulnerability. This vulnerability derives from insufficient input validation in the key-delete function, which could potentially allow malicious users to delete arbitrary files.

Weakness: CWE-22

Which versions are affected by CVE-2023-34216?

It affects 2 products.

Products include Moxa Tn-4900 Firmware, Moxa Tn-5900 Firmware.

How do I fix CVE-2023-34216?

No fix has been published for CVE-2023-34216 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-34216 being exploited?

There is no known exploitation of CVE-2023-34216 in the wild and no public exploit code.

Sources

Also known as GHSA-82xw-m9w4-2cv9.