CVE-2018-7788

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{"affected": [{"affectedData": [{"product": "Modicon Quantum with firmware versions prior to V2.40.", "vendor": "n/a", "versions": [{"status": "affected", "version": "Modicon Quantum with firmware versions prior to V2.40."}]}], "source": "cybersecurity@se.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F5517A57-63A2-45F3-A4CC-C8394DE84C63", "versionEndExcluding": "2.40", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:*", "matchCriteriaId": "A9B7CEF7-B9BA-4923-808F-DA2931569EBB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection."}, {"lang": "es", "value": "CWE-255: Existe una vulnerabilidad de Administraci\u00f3n de Credenciales en Modicon Quantum con versiones de firmware anteriores a la V2.40, que podr\u00eda generar una Denegaci\u00f3n de Servicio al utilizar una conexi\u00f3n Telnet."}], "id": "CVE-2018-7788", "lastModified": "2026-06-17T02:03:43.577", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "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": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-05-22T20:29:00.947", "references": [{"source": "cybersecurity@se.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-08/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-08/"}], "sourceIdentifier": "cybersecurity@se.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-255"}], "source": "cybersecurity@se.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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