CVE-2019-5136 Privilege escalation in Moxa

High 8.8 Published Updated

A low-privilege user can escape the restricted console to gain root access on Moxa AWK-3131A devices via crafted menu inputs.

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-2019-5136?

CVE-2019-5136 is a high-severity vulnerability in Moxa, published on 25 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An exploitable privilege escalation vulnerability exists in the iw_console functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted menu selection string can cause an escape from the restricted console, resulting in system access as the root user. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

Weakness: CWE-284

Which versions are affected by CVE-2019-5136?

It affects 1 product.

Products include Moxa Awk-3131a Firmware.

How do I fix CVE-2019-5136?

No fix has been published for CVE-2019-5136 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-5136 being exploited?

There is no known exploitation of CVE-2019-5136 in the wild and no public exploit code.

Sources

Also known as GHSA-2843-q9jg-f7rg.

Is CVE-2019-5136 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free