CVE-2021-34594

{"containers": {"cna": {"affected": [{"product": "TwinCAT OPC UA Server", "vendor": "Beckhoff Automation", "versions": [{"lessThan": "4.3.48.0", "status": "affected", "version": "TF6100", "versionType": "custom"}, {"lessThan": "4.3.48.0", "status": "affected", "version": "TS6100", "versionType": "custom"}, {"lessThan": "3.2.0.19423", "status": "affected", "version": "TcOpcUaServer version", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Beckhoff Automation thanks Johannes Oleg\u00e5rd, Emre S\u00fcren, and Robert Lagerstr\u00f6m for reporting the issue and for support and efforts with the coordinated disclosure."}], "datePublic": "2021-11-04T00:00:00.000Z", "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-23", "description": "CWE-23 Relative Path Traversal", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-04T09:50:09.000Z", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://cert.vde.com/en/advisories/VDE-2021-051/"}], "solutions": [{"lang": "en", "value": "Please update to a recent version of the affected product (TF6100 or TS6100 version >= 4.3.48.0)"}], "source": {"advisory": "VDE-2021-051", "discovery": "EXTERNAL"}, "title": "Beckhoff: Relative path traversal vulnerability through TwinCAT OPC UA Server", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "info@cert.vde.com", "DATE_PUBLIC": "2021-11-04T06:00:00.000Z", "ID": "CVE-2021-34594", "STATE": "PUBLIC", "TITLE": "Beckhoff: Relative path traversal vulnerability through TwinCAT OPC UA Server"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "TwinCAT OPC UA Server", "version": {"version_data": [{"version_affected": "<", "version_name": "TF6100", "version_value": "4.3.48.0"}, {"version_affected": "<", "version_name": "TS6100", "version_value": "4.3.48.0"}, {"version_affected": "<", "version_name": "TcOpcUaServer version", "version_value": "3.2.0.19423"}]}}]}, "vendor_name": "Beckhoff Automation"}]}}, "credit": [{"lang": "eng", "value": "Beckhoff Automation thanks Johannes Oleg\u00e5rd, Emre S\u00fcren, and Robert Lagerstr\u00f6m for reporting the issue and for support and efforts with the coordinated disclosure."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-23 Relative Path Traversal"}]}]}, "references": {"reference_data": [{"name": "https://cert.vde.com/en/advisories/VDE-2021-051/", "refsource": "CONFIRM", "url": "https://cert.vde.com/en/advisories/VDE-2021-051/"}]}, "solution": [{"lang": "en", "value": "Please update to a recent version of the affected product (TF6100 or TS6100 version >= 4.3.48.0)"}], "source": {"advisory": "VDE-2021-051", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:19:46.994Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert.vde.com/en/advisories/VDE-2021-051/"}]}]}, "cveMetadata": {"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-34594", "datePublished": "2021-11-04T09:50:09.275Z", "dateReserved": "2021-06-10T00:00:00.000Z", "dateUpdated": "2024-09-16T22:03:44.063Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "TwinCAT OPC UA Server", "vendor": "Beckhoff Automation", "versions": [{"lessThan": "4.3.48.0", "status": "affected", "version": "TF6100", "versionType": "custom"}, {"lessThan": "4.3.48.0", "status": "affected", "version": "TS6100", "versionType": "custom"}, {"lessThan": "3.2.0.19423", "status": "affected", "version": "TcOpcUaServer version", "versionType": "custom"}]}], "source": "info@cert.vde.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:beckhoff:tf6100_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "DFDC66B5-5F72-494D-AD38-EFB4CEE0C89D", "versionEndExcluding": "4.3.48.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:beckhoff:tf6100:-:*:*:*:*:*:*:*", "matchCriteriaId": "6265622C-4806-4172-9876-8E0252884206", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:beckhoff:ts6100_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CA266B1B-4835-45FE-BC0F-B8C3EEF41849", "versionEndExcluding": "4.3.48.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:beckhoff:ts6100:-:*:*:*:*:*:*:*", "matchCriteriaId": "EE896B00-8549-40D9-A3B0-54B7BD12498E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "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"}], "id": "CVE-2021-34594", "lastModified": "2026-06-17T03:56:12.117", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 8.5, "confidentialityImpact": "NONE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 9.2, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.2, "source": "info@cert.vde.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-04T10:15:07.833", "references": [{"source": "info@cert.vde.com", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://cert.vde.com/en/advisories/VDE-2021-051/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://cert.vde.com/en/advisories/VDE-2021-051/"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-23"}], "source": "info@cert.vde.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}