{ "id": "CVE-2021-34594", "sourceIdentifier": "info@cert.vde.com", "published": "2021-11-04T10:15:07.833", "lastModified": "2021-11-06T02:40:06.463", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "TwinCAT OPC UA Server in TF6100 and TS6100 in product versions before 4.3.48.0 or with TcOpcUaServer versions below 3.2.0.194 are prone to a relative path traversal that allow administrators to create or delete any files on the system." }, { "lang": "es", "value": "TwinCAT OPC UA Server en TF6100 y TS6100 en versiones del producto anteriores a 4.3.48.0 o con versiones de TcOpcUaServer anteriores a 3.2.0.194, son propensos a un salto de ruta relativo que permite a administradores crear o eliminar cualquier archivo en el sistema" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.2, "impactScore": 5.2 }, { "source": "info@cert.vde.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.2, "impactScore": 5.2 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:N/I:C/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 8.5 }, "baseSeverity": "HIGH", "exploitabilityScore": 8.0, "impactScore": 9.2, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-22" } ] }, { "source": "info@cert.vde.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-23" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:beckhoff:tf6100_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.3.48.0", "matchCriteriaId": "DFDC66B5-5F72-494D-AD38-EFB4CEE0C89D" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:beckhoff:tf6100:-:*:*:*:*:*:*:*", "matchCriteriaId": "6265622C-4806-4172-9876-8E0252884206" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:beckhoff:ts6100_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.3.48.0", "matchCriteriaId": "CA266B1B-4835-45FE-BC0F-B8C3EEF41849" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:beckhoff:ts6100:-:*:*:*:*:*:*:*", "matchCriteriaId": "EE896B00-8549-40D9-A3B0-54B7BD12498E" } ] } ] } ], "references": [ { "url": "https://cert.vde.com/en/advisories/VDE-2021-051/", "source": "info@cert.vde.com", "tags": [ "Mitigation", "Third Party Advisory" ] } ] }