CVE-2022-2973 MZ Automation libIEC61850 NULL Pointer Dereference

High 8.6 Published 23 Sep 2022 Updated 16 Apr 2025

An attacker can crash the server by triggering a NULL pointer dereference in the libIEC61850 library.

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-2022-2973?

CVE-2022-2973 is a high-severity vulnerability in MZ Automation libIEC61850, published on 23 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) uses a NULL pointer in certain situations. which could allow an attacker to crash the server.

Weakness: CWE-476

Which versions are affected by CVE-2022-2973?

It affects 1 product.

Products include Mz-Automation Libiec61850.

How do I fix CVE-2022-2973?

No fix has been published for CVE-2022-2973 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-2973 being exploited?

There is no known exploitation of CVE-2022-2973 in the wild and no public exploit code.

Sources

Also known as GHSA-8cpp-2498-rv3h.