CVE-2020-20663 Memory corruption in n/a

Medium 6.5 Published 30 Sep 2021 Updated 4 Aug 2024

A heap-buffer-overflow in libiec_iccp_mod allows attackers to execute arbitrary code or cause denial of service via crafted network packets.

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-2020-20663?

CVE-2020-20663 is a medium-severity memory corruption vulnerability in n/a, published on 30 Sep 2021. 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

libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.

Weakness: CWE-787

Which versions are affected by CVE-2020-20663?

It affects 1 product.

Products include Libiec Iccp Mod Project Libiec Iccp Mod.

How do I fix CVE-2020-20663?

No fix has been published for CVE-2020-20663 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-2020-20663 being exploited?

There is no known exploitation of CVE-2020-20663 in the wild and no public exploit code.

Sources

Also known as GHSA-x5gc-77qw-p999.