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{"cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in Hikvision DS-2CD1321-I V5.7.21 build 230819 allows attackers to cause a Denial of Service (DoS) via sending a crafted POST request to the endpoint /ISAPI/Security/challenge. The vendor has stated that upgrading to V5.7.23_SP2 fixes the issue."}, {"lang": "es", "value": "Un problema en Hikvision DS-2CD1321-I V5.7.21 build 230819 permite a los atacantes provocar una denegaci\u00f3n de servicio (DoS) mediante el env\u00edo de una solicitud POST manipulada al endpoint /ISAPI/Security/challenge."}], "id": "CVE-2025-45851", "lastModified": "2025-06-30T18:38:48.477", "metrics": {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-06-27T12:15:36.817", "references": [{"source": "cve@mitre.org", "url": "https://assets.hikvision.com/prd/public/all/files/202506/releasenote%5CNetwork_Camera-V5.7.23_SP2_Release_Note-E8.pdf"}, {"source": "cve@mitre.org", "url": "https://crashpark.weebly.com/blog/hikvision-ip-camera-unauthenticated-denial-of-service-dos"}, {"source": "cve@mitre.org", "url": "https://www.hikvision.com/en/support/download/firmware/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis"}

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