CVE-2020-25181 Memory corruption in WECON PLC Editor

High 8.8 Published Updated

Heap-based buffer overflow in WECON PLC Editor allows arbitrary code execution, posing a risk to industrial control system operators.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-25181?

CVE-2020-25181 is a high-severity memory corruption vulnerability in WECON PLC Editor, published on 1 Dec 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

WECON PLC Editor Versions 1.3.8 and prior has a heap-based buffer overflow vulnerabilities have been identified that may allow arbitrary code execution.

Weakness: CWE-125, CWE-122

Which versions are affected by CVE-2020-25181?

It affects 1 product.

Products include We-Con Plc Editor.

How do I fix CVE-2020-25181?

No fix has been published for CVE-2020-25181 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-2020-25181 being exploited?

There is no known exploitation of CVE-2020-25181 in the wild and no public exploit code.

Sources

Also known as GHSA-386r-9hqf-3f7p.

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