CVE-2019-5139 Hardcoded credentials in Moxa

Medium 6.2 Published Updated

Hard-coded credentials in Moxa AWK-3131A firmware allow attackers to create custom diagnostic scripts, leading to code execution and privilege escalation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-5139?

CVE-2019-5139 is a medium-severity vulnerability in Moxa, published on 25 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities of the Moxa AWK-3131A firmware version 1.13. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts.

Weakness: CWE-798

Which versions are affected by CVE-2019-5139?

It affects 1 product.

Products include Moxa Awk-3131a Firmware.

How do I fix CVE-2019-5139?

No fix has been published for CVE-2019-5139 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-5139 being exploited?

There is no known exploitation of CVE-2019-5139 in the wild and no public exploit code.

Sources

Also known as GHSA-vq58-6hwm-6qx4.

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