CVE-2022-30540 Horner Automation Cscape Csfont

High 7.8 Published 1 Jun 2022 Updated 16 Apr 2025

A heap-based buffer overflow in Horner Automation Cscape Csfont allows attackers to execute arbitrary code via an uninitialized pointer.

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-2022-30540?

CVE-2022-30540 is a high-severity memory corruption vulnerability in Horner Automation Cscape Csfont, published on 1 Jun 2022. 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

The affected product is vulnerable to a heap-based buffer overflow via uninitialized pointer, which may allow an attacker to execute arbitrary code

Weakness: CWE-824, CWE-122

Which versions are affected by CVE-2022-30540?

It affects 1 product.

Products include Hornerautomation Cscape.

How do I fix CVE-2022-30540?

No fix has been published for CVE-2022-30540 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-2022-30540 being exploited?

There is no known exploitation of CVE-2022-30540 in the wild and no public exploit code.

Sources

Also known as GHSA-g822-h382-cv3p.