{ "id": "CVE-2021-20637", "sourceIdentifier": "vultures@jpcert.or.jp", "published": "2021-02-12T07:15:14.590", "lastModified": "2022-05-03T16:04:40.443", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/PR5B allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted URL." }, { "lang": "es", "value": "Una comprobaci\u00f3n inapropiada o manejo de condiciones excepcionales en LOGITEC LAN-W300N/PR5B, permite a un atacante remoto causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) al enviar una URL especialmente dise\u00f1ada" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:logitech:lan-w300n\\/pr5b_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "8390BE37-91F5-4B1B-B121-BF6147A79836" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:logitech:lan-w300n\\/pr5b:-:*:*:*:*:*:*:*", "matchCriteriaId": "4DC81E4C-AFD0-400D-9C51-D091D513A374" } ] } ] } ], "references": [ { "url": "https://jvn.jp/en/jp/JVN96783542/index.html", "source": "vultures@jpcert.or.jp", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.elecom.co.jp/news/security/20210126-01/", "source": "vultures@jpcert.or.jp", "tags": [ "Vendor Advisory" ] } ] }