CVE-2022-2973

highpriority · track · 30EPSS 0.011 · 65 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.08% (65th) EPSS

CVSS 7.5 · high

Is it mine?

8 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-28

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.

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.

8.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–8.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.08.6highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · CISA US

v3.18.6highAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · ENISA EU

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · ics-cert@hq.dhs.gov USexploitability 3.9 · impact 4

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimaryCWE-476USCWE-476US

affected products (8)

Products and version ranges known to be affected.

libIEC61850: Version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10eall versionscisa_csaf_otUS
libIEC61850: Versions 1.4 and priorall versionscisa_csaf_otUS
MZ Automation GmbH libiec61850≤ 1.4cisa_csaf_otUS
MZ Automation GmbH libiec618501.5 | → a3b04b7bc487…cisa_csaf_otUS
MZ Automation libiec61850≤ All ≤1.4enisa_euvdEU
MZ Automation libiec61850Version 1.5 → Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10eenisa_euvdEU
MZ Automation GmbH libiec61850≤ 1.5 (commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e)fstec_bduRU
mz-automation libiec61850< 1.5.0nvdUScpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:*

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.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2022-09-23modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

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