{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-27406", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "dateUpdated": "2024-08-03T20:48:16.965Z", "dateReserved": "2021-02-19T00:00:00", "datePublished": "2022-10-14T00:00:00"}, "containers": {"cna": {"title": "PerFact OpenVPN-Client", "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2022-10-14T00:00:00"}, "descriptions": [{"lang": "en", "value": "An attacker can take leverage on PerFact OpenVPN-Client versions 1.4.1.0 and prior to send the config command from any application running on the local host machine to force the back-end server into initializing a new open-VPN instance with arbitrary open-VPN configuration. This could result in the attacker achieving execution with privileges of a SYSTEM user."}], "affected": [{"vendor": "PerFact", "product": "OpenVPN-Client", "versions": [{"version": "unspecified", "lessThanOrEqual": "1.4.1.0", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01"}], "credits": [{"lang": "en", "value": "Sharon Brizinov of Claroty reported this vulnerability to CISA."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-15 External Control of System or Configuration Setting", "cweId": "CWE-15"}]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "source": {"discovery": "EXTERNAL"}, "solutions": [{"lang": "en", "value": "PerFact has released Version 1.6.0, which mitigates this vulnerability."}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:48:16.965Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01", "tags": ["x_transferred"]}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:perfact:openvpn-client:*:*:*:*:*:*:*:*", "matchCriteriaId": "E4F40462-0D14-4ED0-94C2-B4C23A0A2913", "versionEndIncluding": "1.4.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An attacker can take leverage on PerFact OpenVPN-Client versions 1.4.1.0 and prior to send the config command from any application running on the local host machine to force the back-end server into initializing a new open-VPN instance with arbitrary open-VPN configuration. This could result in the attacker achieving execution with privileges of a SYSTEM user."}, {"lang": "es", "value": "Un atacante puede aprovechar PerFact OpenVPN-Client versiones 1.4.1.0 y anteriores, para enviar el comando config desde cualquier aplicaci\u00f3n que sea ejecutada en el equipo anfitri\u00f3n local para forzar al servidor back-end a inicializar una nueva instancia de Open-VPN con una configuraci\u00f3n arbitraria de Open-VPN. Esto podr\u00eda resultar en que el atacante logre una ejecuci\u00f3n con privilegios de un usuario SYSTEM"}], "id": "CVE-2021-27406", "lastModified": "2022-10-18T13:38:40.527", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}, "published": "2022-10-14T17:15:10.530", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-610"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-15"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}

{}