CVE-2022-2970
criticalpriority · track · 40EPSS 0.015 · 74 %ileEURUUSEPSS · scored 2026-10-28
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedlibiec61850cisa_csaf_ot
MZ Automation recommends users update to the latest version: libIEC61850.
https://github.com/mz-automation/libiec61850
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-22-251-01MZ Automation libIEC618502022-09-08icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could crash the device being accessed, and buffer overflow conditions could allow remote code execution.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-2970/cnnvd
- https://github.com/mz-automation/libiec61850Patchcnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-22-251-01cnnvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01cnnvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01enisa_euvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01Third Party AdvisoryUS Government Resourcenvd
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