CVE-2022-2973: high-severity vulnerability in MZ Automation libIEC61850
MZ Automation libIEC61850 NULL Pointer Dereference
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 1.1%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products
MZ Automation · libIEC61850Related CVEs — MZ Automation libIEC61850
In the same product, most dangerous first.
CVE-2022-2972CRITICALMZ Automation libIEC61850 Stack-Based Buffer OverflowEPSS 1.6%CVE-2022-2970CRITICALMZ Automation libIEC61850 Stack-Based Buffer OverflowEPSS 1.5%CVE-2022-1302HIGHMalformed Goose Message in LibIEC61850 may result in a denial of serviceEPSS 1.1%CVE-2022-2971HIGHMZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')EPSS 1.1%CVE-2026-49035CRITICALStack-based Buffer Overflow in MZ Automation libIEC61850EPSS 0.6%CVE-2026-50032HIGHNULL Pointer Dereference in MZ Automation libIEC61850EPSS 0.5%