CVE-2020-10631 Path traversal in WebAccess/NMS

Critical 9.8 Published 9 Apr 2020 Updated 4 Aug 2024

Attackers can read or delete files outside the application directory via crafted URLs in WebAccess/NMS.

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

What is CVE-2020-10631?

CVE-2020-10631 is a critical path traversal vulnerability in WebAccess/NMS, published on 9 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An attacker could use a specially crafted URL to delete or read files outside the WebAccess/NMS's (versions prior to 3.0.2) control.

Weakness: CWE-22, CWE-23

Which versions are affected by CVE-2020-10631?

It affects 1 product.

Products include Advantech Webaccess\/Nms.

How do I fix CVE-2020-10631?

No fix has been published for CVE-2020-10631 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-2020-10631 being exploited?

There is no known exploitation of CVE-2020-10631 in the wild and no public exploit code.

Sources

Also known as GHSA-672q-2qcf-wwfp.