CVE-2022-2973

MZ Automation libIEC61850 NULL Pointer Dereference

View on CVE.org

Published Sep 23, 2022 CVSS 3.1 · 8.6 High EPSS 1.1% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

MZ Automation

libIEC61850

affected

Version	Status	Constraints
`All`	affected	≤ 1.4
`Version 1.5`	affected	< Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e

Configuration 1 [-]

cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-35194	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.083% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

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

History

Apr 16, 2025 4:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Mz-automation Libiec61850

Weaknesses

CWE-476

Sources

CVE record Updated: Apr 16, 2025, 4:09 PM

Status: PUBLISHED
Assigner: icscert
Published: Sep 23, 2022, 3:28 PM
Updated: Apr 16, 2025, 4:09 PM
Reserved: Aug 23, 2022, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 12:53 AM

Updated: Aug 3, 2024, 12:53 AM

NVD Updated: Jun 17, 2026, 4:42 AM

Status: Modified
Published: Sep 23, 2022, 4:15 PM
Modified: Jun 17, 2026, 4:42 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "libIEC61850", "vendor": "MZ Automation", "versions": [{"lessThanOrEqual": "1.4", "status": "affected", "version": "All", "versionType": "custom"}, {"lessThan": "Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e", "status": "affected", "version": "Version 1.5", "versionType": "custom"}]}], "datePublic": "2022-09-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-09-23T15:28:44.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01"}], "source": {"advisory": "ICSA-22-251-01", "discovery": "UNKNOWN"}, "title": "MZ Automation libIEC61850 NULL Pointer Dereference", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "DATE_PUBLIC": "2022-09-08T17:00:00.000Z", "ID": "CVE-2022-2973", "STATE": "PUBLIC", "TITLE": "MZ Automation libIEC61850 NULL Pointer Dereference"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "libIEC61850", "version": {"version_data": [{"version_affected": "<=", "version_name": "All", "version_value": "1.4"}, {"version_affected": "<", "version_name": "Version 1.5", "version_value": "Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e"}]}}]}, "vendor_name": "MZ Automation"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-476 NULL Pointer Dereference"}]}]}, "references": {"reference_data": [{"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01", "refsource": "MISC", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01"}]}, "source": {"advisory": "ICSA-22-251-01", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T00:53:00.671Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-16T15:54:16.892261Z", "id": "CVE-2022-2973", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-16T16:09:39.243Z"}}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2022-2973", "datePublished": "2022-09-23T15:28:44.503Z", "dateReserved": "2022-08-23T00:00:00.000Z", "dateUpdated": "2025-04-16T16:09:39.243Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T00:53:00.671Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-2973", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-16T15:54:16.892261Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-16T15:54:18.911Z"}}], "cna": {"title": "MZ Automation libIEC61850 NULL Pointer Dereference", "source": {"advisory": "ICSA-22-251-01", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "MZ Automation", "product": "libIEC61850", "versions": [{"status": "affected", "version": "All", "versionType": "custom", "lessThanOrEqual": "1.4"}, {"status": "affected", "version": "Version 1.5", "lessThan": "Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e", "versionType": "custom"}]}], "datePublic": "2022-09-08T00:00:00.000Z", "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01", "tags": ["x_refsource_MISC"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2022-09-23T15:28:44.000Z"}, "x_legacyV4Record": {"impact": {"cvss": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, "source": {"advisory": "ICSA-22-251-01", "discovery": "UNKNOWN"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_name": "All", "version_value": "1.4", "version_affected": "<="}, {"version_name": "Version 1.5", "version_value": "Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e", "version_affected": "<"}]}, "product_name": "libIEC61850"}]}, "vendor_name": "MZ Automation"}]}}, "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01", "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-476 NULL Pointer Dereference"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-2973", "STATE": "PUBLIC", "TITLE": "MZ Automation libIEC61850 NULL Pointer Dereference", "ASSIGNER": "ics-cert@hq.dhs.gov", "DATE_PUBLIC": "2022-09-08T17:00:00.000Z"}}}}, "cveMetadata": {"cveId": "CVE-2022-2973", "state": "PUBLISHED", "dateUpdated": "2025-04-16T16:09:39.243Z", "dateReserved": "2022-08-23T00:00:00.000Z", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "datePublished": "2022-09-23T15:28:44.503Z", "assignerShortName": "icscert"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "libIEC61850", "vendor": "MZ Automation", "versions": [{"lessThanOrEqual": "1.4", "status": "affected", "version": "All", "versionType": "custom"}, {"lessThan": "Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e", "status": "affected", "version": "Version 1.5", "versionType": "custom"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:*", "matchCriteriaId": "D3603616-C753-42EB-A317-8641927C1CD9", "versionEndExcluding": "1.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "MZ Automations libIEC61850 (versiones 1.4 y anteriores; versi\u00f3n 1.5 anterior al commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) usa un puntero NULL en determinadas situaciones, lo que podr\u00eda permitir a un atacante bloquear el servidor."}], "id": "CVE-2022-2973", "lastModified": "2026-06-17T04:42:54.683", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-2973", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-16T15:54:16.892261Z", "version": "2.0.3"}}]}, "published": "2022-09-23T16:15:11.003", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}