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The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information."}, {"lang": "es", "value": "Se detect\u00f3 un problema de autenticaci\u00f3n inapropiada en dispositivos DS-2CD2xx2F-I Series versiones V5.2.0 build 140721 hasta V5.4.0 build 160530, DS-2CD2xx0F-I Series versiones V5.2.0 build 140721 hasta V5.4.0 build 160530, DS-2CD2xx0F-I Series versiones V5.2.0 build 140721 hasta V5.4.0 build 160530, DS-2CD2xx0F-I Series versiones V5.2.0 build 140721 hasta V5.4.0 Build 160401, DS-2CD2xx2FWD Series versiones V5.3.1 build 150410 hasta V5.4.4 Build 161125, DS-2CD4x2xFWD Series versiones 5.2.0 build 140721 hasta V5.4.0 Build 160414, DS-2CD4xx5 Series versiones 5.2.0 build 140721 hasta V5.4.0 Build 160421, DS-2DFx Series versiones 5.2.0 build 140805 hasta V5.4.5 Build 160928 y Serie DS-2CD63xx versi\u00f3n 5.0.9 build 140305 hasta versi\u00f3n V5.3.5 Build 160106 de Hikvision. La vulnerabilidad de autenticaci\u00f3n inapropiada ocurre cuando una aplicaci\u00f3n no autentica adecuada o apropiadamente a los usuarios. Esto puede permitir a un usuario malicioso escalar sus privilegios en el sistema y conseguir acceso a informaci\u00f3n confidencial."}], "id": "CVE-2017-7921", "lastModified": "2026-04-21T15:20:44.547", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2017-05-06T00:29:00.350", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.hikvision.com/us/about_10805.html"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/98313"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://ghostbin.com/paste/q2vq2"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.hikvision.com/us/about_10805.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/98313"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://ghostbin.com/paste/q2vq2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.hikvision.com/cn/support/CybersecurityCenter/SecurityNotices/20170314/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification--privilege-escalating-vulnerability-in-cer/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7921"}], "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"}]}

{}

{}