CVE-2017-7937

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{"affected": [{"affectedData": [{"product": "Phoenix Contact GmbH mGuard", "vendor": "n/a", "versions": [{"status": "affected", "version": "Phoenix Contact GmbH mGuard"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "116FA86C-7A05-4B2C-8148-6FE371E60D70", "vulnerable": true}, {"criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "236DEF3C-0F0F-467B-9EEB-276092938DAF", "vulnerable": true}, {"criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.2:*:*:*:*:*:*:*", "matchCriteriaId": "A6A1E205-BB61-47BE-A903-0F122D2D732A", "vulnerable": true}, {"criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "BCB742B0-8E3E-4110-87A9-D40360743A42", "vulnerable": true}, {"criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "582782AB-3CBC-4EB6-B271-4AA270F87CB1", "vulnerable": true}, {"criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "3625B7F5-0170-4269-97A3-F3ABF147F803", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phoenix_contact_gmbh:mguard:-:*:*:*:*:*:*:*", "matchCriteriaId": "418AA18B-BB7E-4C77-BF5C-F1CB320B643B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An Improper Authentication issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. An attacker may be able to gain unauthorized access to the user firewall when RADIUS servers are unreachable."}, {"lang": "es", "value": "Se detect\u00f3 un problema de autenticaci\u00f3n inapropiada en Phoenix Contact GmbH versiones de firmware 8.3.0 hasta 8.4.2. Un atacante puede alcanzar acceso no autorizado al firewall del usuario cuando no se puede acceder a los servidores RADIUS."}], "id": "CVE-2017-7937", "lastModified": "2026-06-17T01:25:30.893", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-05-19T03:29:00.683", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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