{"containers":{"cna":{"affected":[{"product":"Some Dahua IP Camera, Video Intercom, NVR, XVR devices","vendor":"n/a","versions":[{"status":"affected","version":"Dahua IP Camera devices IPC-HX3XXX, IPC-HX5XXX, and IPC-HUM7XXX Buildtime before May, 2020, Video Intercom devices VTO75X95X, VTO65XXX, and VTH542XH, NVR devices NVR1XXX, NVR2XXX, NVR5XXX, and NVR6XX, XVR devices XVR4xxx, XVR5xxx, and XVR7xxx Buildtime before December, 2019."}]}],"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."}],"problemTypes":[{"descriptions":[{"description":"Improper Authentication","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2021-10-06T16:06:10.000Z","orgId":"79ee569e-7d1e-4364-98f0-3a18e2a739ad","shortName":"dahua"},"references":[{"tags":["x_refsource_MISC"],"url":"https://www.dahuasecurity.com/support/cybersecurity/details/957"},{"name":"20211005 [Update]: Dahua Authentication bypass (CVE-2021-33044, CVE-2021-33045)","tags":["mailing-list","x_refsource_FULLDISC"],"url":"http://seclists.org/fulldisclosure/2021/Oct/13"},{"tags":["x_refsource_MISC"],"url":"http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cybersecurity@dahuatech.com","ID":"CVE-2021-33045","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Some Dahua IP Camera, Video Intercom, NVR, XVR devices","version":{"version_data":[{"version_value":"Dahua IP Camera devices IPC-HX3XXX, IPC-HX5XXX, and IPC-HUM7XXX Buildtime before May, 2020, Video Intercom devices VTO75X95X, VTO65XXX, and VTH542XH, NVR devices NVR1XXX, NVR2XXX, NVR5XXX, and NVR6XX, XVR devices XVR4xxx, XVR5xxx, and XVR7xxx Buildtime before December, 2019."}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper Authentication"}]}]},"references":{"reference_data":[{"name":"https://www.dahuasecurity.com/support/cybersecurity/details/957","refsource":"MISC","url":"https://www.dahuasecurity.com/support/cybersecurity/details/957"},{"name":"20211005 [Update]: Dahua Authentication bypass (CVE-2021-33044, CVE-2021-33045)","refsource":"FULLDISC","url":"http://seclists.org/fulldisclosure/2021/Oct/13"},{"name":"http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html","refsource":"MISC","url":"http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T23:42:19.573Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.dahuasecurity.com/support/cybersecurity/details/957"},{"name":"20211005 [Update]: Dahua Authentication bypass (CVE-2021-33044, CVE-2021-33045)","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"],"url":"http://seclists.org/fulldisclosure/2021/Oct/13"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html"}]},{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-287","lang":"en","description":"CWE-287 Improper Authentication"}]}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33045","tags":["government-resource"]}],"metrics":[{"cvssV3_1":{"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"}},{"other":{"type":"kev","content":{"dateAdded":"2024-08-21","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33045"}}},{"other":{"type":"ssvc","content":{"timestamp":"2024-09-05T15:03:50.889187Z","id":"CVE-2021-33045","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-12T19:53:51.321Z"}}]},"cveMetadata":{"assignerOrgId":"79ee569e-7d1e-4364-98f0-3a18e2a739ad","assignerShortName":"dahua","cveId":"CVE-2021-33045","datePublished":"2021-09-15T21:50:08.000Z","dateReserved":"2021-05-17T00:00:00.000Z","dateUpdated":"2026-01-12T19:53:51.321Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}