CVE-2021-38402 Delta Electronics DOPSoft 2 Stack-Based Buffer Overflow

High 7.8 Published 17 Sep 2021 Updated 23 Apr 2025

Attackers can execute arbitrary code by tricking users into opening malicious project files in Delta DOPSoft 2.

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-2021-38402?

CVE-2021-38402 is a high-severity memory corruption vulnerability in Delta Electronics DOPSoft 2, published on 17 Sep 2021. 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

Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could lead to a stack-based buffer overflow while trying to copy to a buffer during font string handling. An attacker could leverage this vulnerability to execute code in the context of the current process.

Weakness: CWE-121

Which versions are affected by CVE-2021-38402?

It affects 1 product.

Products include Deltaww Dopsoft.

How do I fix CVE-2021-38402?

No fix has been published for CVE-2021-38402 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-2021-38402 being exploited?

There is no known exploitation of CVE-2021-38402 in the wild and no public exploit code.

Sources

Also known as GHSA-pmhq-p9q2-mpcv.