CVE-2021-22664 Memory corruption in Delta Electronics CNCSoft-B

High 7.8 Published Updated

An out-of-bounds write in Delta Electronics CNCSoft-B allows attackers to execute arbitrary code, posing a risk to industrial control systems.

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-2021-22664?

CVE-2021-22664 is a high-severity memory corruption vulnerability in Delta Electronics CNCSoft-B, published on 27 Apr 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

CNCSoft-B Versions 1.0.0.3 and prior is vulnerable to an out-of-bounds write, which may allow an attacker to execute arbitrary code.

Weakness: CWE-787

Which versions are affected by CVE-2021-22664?

It affects 1 product.

Products include Criticalmanufacturing Cncsoft-B.

How do I fix CVE-2021-22664?

No fix has been published for CVE-2021-22664 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-2021-22664 being exploited?

There is no known exploitation of CVE-2021-22664 in the wild and no public exploit code.

Sources

Also known as GHSA-v77m-q9mf-pwpm.

Is CVE-2021-22664 in your software?

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