CVE-2021-22668 Memory corruption in Delta Industrial Automation CNCSoft ScreenEditor

Critical 9.8 Published 16 May 2021 Updated 3 Aug 2024

An out-of-bounds read in Delta CNCSoft ScreenEditor allows attackers to execute arbitrary code via malicious project files.

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-2021-22668?

CVE-2021-22668 is a critical memory corruption vulnerability in Delta Industrial Automation CNCSoft ScreenEditor, published on 16 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Delta Industrial Automation CNCSoft ScreenEditor Versions 1.01.28 (with ScreenEditor Version 1.01.2) and prior are vulnerable to an out-of-bounds read while processing project files, which may allow an attacker to execute arbitrary code.

Weakness: CWE-125

Which versions are affected by CVE-2021-22668?

It affects 1 product.

Products include Deltaww Cncsoft Screeneditor.

How do I fix CVE-2021-22668?

No fix has been published for CVE-2021-22668 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-2021-22668 being exploited?

There is no known exploitation of CVE-2021-22668 in the wild and no public exploit code.

Sources

Also known as GHSA-pr9v-hc3w-247x.