What is CVE-2022-2970?

CVE-2022-2970 is a critical-severity vulnerability in Mz Automation Libiec61850, classified under Stack-based Buffer Overflow. CVSS score: 10.0/10. Published 2022-09-23.

How severe is CVE-2022-2970?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Buffer overflow in Mz Automation Libiec61850

CVE-2022-2970

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) does not sanitize input before memcpy is used, which could allow an attacker to crash the device or remotely execute arbitrary code.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (72.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.015 · change: +0.003

Affected products

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

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2022-2970?: CVE-2022-2970 is a critical-severity vulnerability in Mz Automation Libiec61850, classified under Stack-based Buffer Overflow. CVSS score: 10.0/10. Published 2022-09-23.
How severe is CVE-2022-2970?: Critical severity. CVSS v3 base score is 10.0 out of 10.