What is CVE-2022-2973?

CVE-2022-2973 is a high-severity vulnerability in Mz Automation Libiec61850, classified under NULL Pointer Dereference. CVSS score: 8.6/10. Published 2022-09-23.

How severe is CVE-2022-2973?

High severity. CVSS v3 base score is 8.6 out of 10.

NULL pointer dereference in Mz Automation Libiec61850

CVE-2022-2973

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.

Published 2022-09-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.011 · change: +0.002

Affected products

Mz Automation Libiec61850 — versions All, Version 1.5
Mz-Automation Libiec61850

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

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

Frequently asked questions

What is CVE-2022-2973?: CVE-2022-2973 is a high-severity vulnerability in Mz Automation Libiec61850, classified under NULL Pointer Dereference. CVSS score: 8.6/10. Published 2022-09-23.
How severe is CVE-2022-2973?: High severity. CVSS v3 base score is 8.6 out of 10.