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I. Basic Information for CVE-2021-33044
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Dahua IPC 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dahua IPC是中国大华(Dahua)公司的大华的一系列工控机。 Dahua IPC存在安全漏洞,攻击者可利用该漏洞通过构造恶意数据包绕过设备身份验证
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-Some Dahua IP Camera, Video Intercom, PTZ Dome Camera, Thermal Camera devices Dahua IP Camera devices IPC-HX3XXX, IPC-HX5XXX, and IPC-HUM7XXX, Video Intercom devices VTO75X95X, VTO65XXX, and VTH542XH, PTZ Dome Camera SD1A1, SD22, SD49, SD50, SD52C, and SD6AL, Thermal TPC-BF1241, TPC-BF2221, TPC-SD2221, TPC-BF5XXX, TPC-SD8X21, and T -
II. Public POCs for CVE-2021-33044
#POC DescriptionSource LinkShenlong Link
1Chrome extension that uses vulnerabilities CVE-2021-33044 and CVE-2021-33045 to log in to Dahua cameras without authentication.https://github.com/bp2008/DahuaLoginBypassPOC Details
2Dahua IPC/VTH/VTO devices auth bypass exploithttps://github.com/dorkerdevil/CVE-2021-33044POC Details
3Nonehttps://github.com/haingn/LoHongCam-CVE-2021-33044POC Details
4Dahua IPC/VTH/VTO devices auth bypass exploithttps://github.com/Spy0x7/CVE-2021-33044POC Details
5Some Dahua products contain an authentication bypass during the login process. Attackers can bypass device identity authentication by constructing malicious data packets.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-33044.yamlPOC Details
6dahua-authentication-bypasshttps://github.com/chaitin/xray-plugins/blob/main/poc/manual/dahua-cve-2021-33044-authentication-bypass.ymlPOC Details
7Nonehttps://github.com/Baza-NATO/CVE-2021-33044POC Details
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III. Intelligence Information for CVE-2021-33044
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IV. Related Vulnerabilities
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