{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-27406", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "dateUpdated": "2025-04-16T17:46:31.383Z", "dateReserved": "2021-02-19T00:00:00.000Z", "datePublished": "2022-10-14T00:00:00.000Z" }, "containers": { "cna": { "title": "PerFact OpenVPN-Client", "providerMetadata": { "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2022-10-14T00:00:00.000Z" }, "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" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-04-16T17:26:59.623643Z", "id": "CVE-2021-27406", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-16T17:46:31.383Z" } } ] } }