{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-05T01:17:22.625","vulnerabilities":[{"cve":{"id":"CVE-2022-21159","sourceIdentifier":"talos-cna@cisco.com","published":"2022-04-15T16:15:07.720","lastModified":"2026-06-17T04:25:39.017","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A denial of service vulnerability exists in the parseNormalModeParameters functionality of MZ Automation GmbH libiec61850 1.5.0. A specially-crafted series of network requests can lead to denial of service. An attacker can send a sequence of malformed iec61850 messages to trigger this vulnerability."},{"lang":"es","value":"Se presenta Una vulnerabilidad de Denegación de Servicio en la funcionalidad parseNormalModeParameters de MZ Automation GmbH libiec61850 versión 1.5.0. Una serie de peticiones de red especialmente diseñadas puede conllevar a una denegación de servicio. Un atacante puede enviar una secuencia de mensajes iec61850 malformados para desencadenar esta vulnerabilidad"}],"affected":[{"source":"talos-cna@cisco.com","affectedData":[{"vendor":"MZ Automation GmbH","product":"libiec61850","versions":[{"version":"1.5.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV30":[{"source":"talos-cna@cisco.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-04-15T18:19:16.440053Z","id":"CVE-2022-21159","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"talos-cna@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-835"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-835"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mz-automation:libiec61850:1.5.0:*:*:*:*:*:*:*","matchCriteriaId":"B45DE37F-A886-4609-AD93-FBBBE5895EF3"}]}]}],"references":[{"url":"https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721","source":"talos-cna@cisco.com","tags":["Patch","Third Party Advisory"]},{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2022-1467","source":"talos-cna@cisco.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1467","source":"talos-cna@cisco.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2022-1467","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1467","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}]}