What’s Vulnerable › Vulnerabilities

CVE-2022-2973: MZ Automation libIEC61850 NULL Pointer Dereference

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-09-23 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• mz-automation libiec61850: before 1.5.0 — fixed in 1.5.0

How to fix

Upgrade to a fixed version: mz-automation libiec61850 1.5.0. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01
• https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01

Get alerted when CVE-2022-2973 or the next vulnerability affects your stack