CVE-2020-20486 Memory corruption in n/a

High 7.5 Published 31 Aug 2021 Updated 4 Aug 2024

A stack-buffer overflow in the IEC104 library allows attackers to execute arbitrary code or cause denial of service via crafted packets.

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-2020-20486?

CVE-2020-20486 is a high-severity memory corruption vulnerability in n/a, published on 31 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.

Weakness: CWE-787

Which versions are affected by CVE-2020-20486?

It affects 1 product.

Products include Iec104 Project Iec104.

How do I fix CVE-2020-20486?

No fix has been published for CVE-2020-20486 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-2020-20486 being exploited?

There is no known exploitation of CVE-2020-20486 in the wild and no public exploit code.

Sources

Also known as GHSA-jw2v-g6g3-9568.