CVE-2020-16215 Memory corruption in Advantech WebAccess HMI Designer

High 7.8 Published 6 Aug 2020 Updated 4 Aug 2024

Remote attackers can execute code or cause crashes in Advantech WebAccess HMI Designer by sending specially crafted project files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-16215?

CVE-2020-16215 is a high-severity memory corruption vulnerability in Advantech WebAccess HMI Designer, published on 6 Aug 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Processing specially crafted project files lacking proper validation of user supplied data may cause a stack-based buffer overflow, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.

Weakness: CWE-20, CWE-121

Which versions are affected by CVE-2020-16215?

It affects 1 product.

Products include Advantech Webaccess\/Hmi Designer.

How do I fix CVE-2020-16215?

No fix has been published for CVE-2020-16215 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-16215 being exploited?

There is no known exploitation of CVE-2020-16215 in the wild and no public exploit code.

Sources

Also known as GHSA-256w-3jc2-hh38.