CVE-2023-34217 Second Order Command-injection Vulnerability in the Certificate-delete Function

High 8.1 Published 17 Aug 2023 Updated 2 Oct 2024

Attackers can delete arbitrary files via path traversal in the certificate-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-2023-34217?

CVE-2023-34217 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 stems from insufficient input validation in the certificate-delete function, which could potentially allow malicious users to delete arbitrary files.

Weakness: CWE-22

Which versions are affected by CVE-2023-34217?

It affects 2 products.

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

How do I fix CVE-2023-34217?

No fix has been published for CVE-2023-34217 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-2023-34217 being exploited?

There is no known exploitation of CVE-2023-34217 in the wild and no public exploit code.

Sources

Also known as GHSA-9h45-q875-xxrx.