CVE-2021-34570

{"containers": {"cna": {"affected": [{"product": "AXC F", "vendor": "Phoenix Contact", "versions": [{"lessThan": "2021.0.5 LTS", "status": "affected", "version": "AXC F 1152 (1151412)", "versionType": "custom"}, {"lessThan": "2021.0.5 LTS", "status": "affected", "version": "AXC F 2152 (2404267)", "versionType": "custom"}, {"lessThan": "2021.0.5 LTS", "status": "affected", "version": "AXC F 3152 (1069208)", "versionType": "custom"}, {"lessThan": "2021.0.5 LTS", "status": "affected", "version": "AXC F 2152 Starterkit (1046568)", "versionType": "custom"}]}, {"product": "RFC", "vendor": "Phoenix Contact", "versions": [{"lessThan": "2021.0.5 LTS", "status": "affected", "version": "RFC 4072S (1051328)", "versionType": "custom"}]}, {"product": "PLCnext", "vendor": "Phoenix Contact", "versions": [{"lessThan": "2021.0.5 LTS", "status": "affected", "version": "PLCnext Technology Starterkit (1188165)", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "The vulnerability was discovered by Oliver Carrigan of Dionach. We kindly appreciate the coordinated disclosure of these vulnerabilities by the finder. PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication."}], "datePublic": "2021-08-03T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-27T08:25:09.000Z", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://cert.vde.com/en/advisories/VDE-2021-029/"}], "solutions": [{"lang": "en", "value": "Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0.5 LTS or higher which fixes this vulnerability."}], "source": {"advisory": "VDE-2021-029", "discovery": "EXTERNAL"}, "title": "Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS", "workarounds": [{"lang": "en", "value": "Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:\nMeasures to protect network-capable devices with Ethernet connection"}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "info@cert.vde.com", "DATE_PUBLIC": "2021-08-03T22:00:00.000Z", "ID": "CVE-2021-34570", "STATE": "PUBLIC", "TITLE": "Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "AXC F", "version": {"version_data": [{"version_affected": "<", "version_name": "AXC F 1152 (1151412)", "version_value": "2021.0.5 LTS"}, {"version_affected": "<", "version_name": "AXC F 2152 (2404267)", "version_value": "2021.0.5 LTS"}, {"version_affected": "<", "version_name": "AXC F 3152 (1069208)", "version_value": "2021.0.5 LTS"}, {"version_affected": "<", "version_name": "AXC F 2152 Starterkit (1046568)", "version_value": "2021.0.5 LTS"}]}}, {"product_name": "RFC", "version": {"version_data": [{"version_affected": "<", "version_name": "RFC 4072S (1051328)", "version_value": "2021.0.5 LTS"}]}}, {"product_name": "PLCnext", "version": {"version_data": [{"version_affected": "<", "version_name": "PLCnext Technology Starterkit (1188165)", "version_value": "2021.0.5 LTS"}]}}]}, "vendor_name": "Phoenix Contact"}]}}, "credit": [{"lang": "eng", "value": "The vulnerability was discovered by Oliver Carrigan of Dionach. We kindly appreciate the coordinated disclosure of these vulnerabilities by the finder. PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20 Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://cert.vde.com/en/advisories/VDE-2021-029/", "refsource": "CONFIRM", "url": "https://cert.vde.com/en/advisories/VDE-2021-029/"}]}, "solution": [{"lang": "en", "value": "Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0.5 LTS or higher which fixes this vulnerability."}], "source": {"advisory": "VDE-2021-029", "discovery": "EXTERNAL"}, "work_around": [{"lang": "en", "value": "Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:\nMeasures to protect network-capable devices with Ethernet connection"}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:12:50.435Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert.vde.com/en/advisories/VDE-2021-029/"}]}]}, "cveMetadata": {"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-34570", "datePublished": "2021-09-27T08:25:09.502Z", "dateReserved": "2021-06-10T00:00:00.000Z", "dateUpdated": "2024-09-16T22:09:31.616Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "AXC F", "vendor": "Phoenix Contact", "versions": [{"lessThan": "2021.0.5 LTS", "status": "affected", "version": "AXC F 1152 (1151412)", "versionType": "custom"}, {"lessThan": "2021.0.5 LTS", "status": "affected", "version": "AXC F 2152 (2404267)", "versionType": "custom"}, {"lessThan": "2021.0.5 LTS", "status": "affected", "version": "AXC F 3152 (1069208)", "versionType": "custom"}, {"lessThan": "2021.0.5 LTS", "status": "affected", "version": "AXC F 2152 Starterkit (1046568)", "versionType": "custom"}]}, {"product": "RFC", "vendor": "Phoenix Contact", "versions": [{"lessThan": "2021.0.5 LTS", "status": "affected", "version": "RFC 4072S (1051328)", "versionType": "custom"}]}, {"product": "PLCnext", "vendor": "Phoenix Contact", "versions": [{"lessThan": "2021.0.5 LTS", "status": "affected", "version": "PLCnext Technology Starterkit (1188165)", "versionType": "custom"}]}], "source": "info@cert.vde.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phoenixcontact:plcnext_technology_starterkit_firmware:*:*:*:*:lts:*:*:*", "matchCriteriaId": "D3A000A0-3E09-4CC2-B55B-02FF141E9032", "versionEndExcluding": "2021.0.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phoenixcontact:plcnext_technology_starterkit:-:*:*:*:*:*:*:*", "matchCriteriaId": "12BDD2FE-0D7C-4868-A5E4-B1004A5C217D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phoenixcontact:axc_f_2152_starterkit_firmware:*:*:*:*:lts:*:*:*", "matchCriteriaId": "234711BD-CD61-4A50-9CC7-09619EB68E0B", "versionEndExcluding": "2021.0.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phoenixcontact:axc_f_2152_starterkit:-:*:*:*:*:*:*:*", "matchCriteriaId": "079A104B-2016-4830-80C1-3AB969106649", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phoenixcontact:rfc_4072s_firmware:*:*:*:*:lts:*:*:*", "matchCriteriaId": "D8AB52B3-C3F7-4900-901D-B90C5D877A9C", "versionEndExcluding": "2021.0.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phoenixcontact:rfc_4072s:-:*:*:*:*:*:*:*", "matchCriteriaId": "0BF1EAD1-7C19-4A6E-BF87-EF3F7E526BD6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phoenixcontact:axc_f_3152_firmware:*:*:*:*:lts:*:*:*", "matchCriteriaId": "D4FC9F69-D10F-47AF-A5BA-B7AB46FB3389", "versionEndExcluding": "2021.0.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phoenixcontact:axc_f_3152:-:*:*:*:*:*:*:*", "matchCriteriaId": "57424998-4EAB-4682-BFC4-1D2A621514F4", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phoenixcontact:axc_f_1152_firmware:*:*:*:*:lts:*:*:*", "matchCriteriaId": "17D8F2FA-C7D4-4D79-9356-4E74D7D84133", "versionEndExcluding": "2021.0.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phoenixcontact:axc_f_1152:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2474BD7-C447-4E07-A628-C729E376943D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phoenixcontact:axc_f_2152_firmware:*:*:*:*:lts:*:*:*", "matchCriteriaId": "73852309-933E-476F-865E-BC4B25ABF797", "versionEndExcluding": "2021.0.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phoenixcontact:axc_f_2152:-:*:*:*:*:*:*:*", "matchCriteriaId": "AE2E6118-6587-444A-A143-9C3A1E6ED4FD", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests."}, {"lang": "es", "value": "M\u00faltiples dispositivos de control Phoenix Contact PLCnext en versiones anteriores a 2021.0.5 LTS, son propensos a un ataque DoS mediante peticiones JSON especialmente dise\u00f1adas"}], "id": "CVE-2021-34570", "lastModified": "2026-06-17T03:56:08.930", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "info@cert.vde.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-27T09:15:07.750", "references": [{"source": "info@cert.vde.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://cert.vde.com/en/advisories/VDE-2021-029/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://cert.vde.com/en/advisories/VDE-2021-029/"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "info@cert.vde.com", "type": "Secondary"}]}

{}

{}