CVE-2021-33044

{"id": "CVE-2021-33044", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-09-15T22:15:10.497", "references": [{"url": "http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "[email protected]"}, {"url": "http://seclists.org/fulldisclosure/2021/Oct/13", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "[email protected]"}, {"url": "https://www.dahuasecurity.com/support/cybersecurity/details/957", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://seclists.org/fulldisclosure/2021/Oct/13", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.dahuasecurity.com/support/cybersecurity/details/957", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33044", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-287"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "The identity authentication bypass vulnerability found in some Dahua products during the login process. Attackers can bypass device identity authentication by constructing malicious data packets."}, {"lang": "es", "value": "Una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n de identidad encontrada en algunos productos Dahua durante el proceso de inicio de sesi\u00f3n. Los atacantes pueden omitir la autenticaci\u00f3n de la identidad del dispositivo al construir paquetes de datos maliciosos"}], "lastModified": "2026-01-13T22:20:28.687", "cisaActionDue": "2024-09-11", "cisaExploitAdd": "2024-08-21", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dahuasecurity:ipc-hum7xxx_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C0356805-3ECF-4C6F-B2BF-95D507736C44", "versionEndExcluding": "2.820.0000000.5.r.210705"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dahuasecurity:ipc-hum7xxx:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5AE9ACB0-4CB3-4CF5-A007-15EE977D782E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dahuasecurity:ipc-hx3xxx_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0D17050-41CA-4808-8ED3-F332FD00B551", "versionEndExcluding": "2.800.0000000.29.r.210630"}], 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