{"affected": [{"affectedData": [{"product": "750-852", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "FW07", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "750-880/xxx-xxx", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "FW07", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "750-881", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "FW07", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "750-831/xxx-xxx", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "FW07", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "750-882", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "FW07", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "750-885/xxx-xxx", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "FW07", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "750-889", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "FW07", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "info@cert.vde.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "ED404720-0042-42AB-9125-4CDF2D02D44E", "versionEndIncluding": "fw07", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:wago:750-852:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D6739E1-EF0B-48EE-90FC-5708756FC362", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "AEB9FB33-B34B-4904-A9E5-795BBAC5EAEF", "versionEndIncluding": "fw07", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:*", "matchCriteriaId": "CFEAC4D9-15CF-44B8-844D-C012AA4637A2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "987FDB58-A501-4F70-B7F1-0F3E0845EFD7", "versionEndIncluding": "fw07", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:*", "matchCriteriaId": "6FE51647-62C1-4D3C-91FA-13ACA6CD71D2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C33ED3A-C5D8-4276-B896-665642A6BD51", "versionEndIncluding": "fw07", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:*", "matchCriteriaId": "F0631884-FF6F-4AA9-9D76-CDECB5A738FC", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F46D5249-6418-4FF9-B980-85BB6211D939", "versionEndIncluding": "fw07", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:wago:750-882:-:*:*:*:*:*:*:*", "matchCriteriaId": "B1379D65-F376-4618-B708-5E59D64C8033", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "7521A675-86D6-4EEA-8D26-E8702CA426B3", "versionEndIncluding": "fw07", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:wago:750-885:-:*:*:*:*:*:*:*", "matchCriteriaId": "7712F56E-AEBA-4DE0-9172-26F3D29B369B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "10BC697F-D2B2-4D95-A67C-87E4499919EE", "versionEndIncluding": "fw07", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:*", "matchCriteriaId": "57919AAB-2962-4543-810A-C143300351F8", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 in versions FW07 and below."}, {"lang": "es", "value": "La vulnerabilidad de autenticaci\u00f3n inadecuada en la serie WAGO 750-8XX con versi\u00f3n FW anteriores o iguales a FW07 permite a un atacante cambiar algunos par\u00e1metros especiales sin autenticaci\u00f3n. Este problema afecta a: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 en versiones FW07 y anteriores"}], "id": "CVE-2020-12505", "lastModified": "2026-06-17T02:51:55.840", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "info@cert.vde.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2020-09-30T16:15:12.670", "references": [{"source": "info@cert.vde.com", "tags": ["Third Party Advisory"], "url": "https://cert.vde.com/en-us/advisories/vde-2020-027"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://cert.vde.com/en-us/advisories/vde-2020-027"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "info@cert.vde.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Secondary"}]}