CVE-2022-2973

Name: CVE-2022-2973
Creator: NVD / NIST
Published: 2022-09-23T16:15:11.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2022-2973 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.83%

52.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mz-Automation	Libiec61850	< 1.5.0

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01Third Party Advisory, US Government Resource

Timeline

Published: Sep 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2973?

How severe is CVE-2022-2973?

CVE-2022-2973 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2973?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-2973?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST