CVE-2021-33045
Quick assessment
Affected
n/a Some Dahua IP Camera, Video Intercom, NVR, XVR devices
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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
Public Exploits 1
Nuclei · 1
CVE-2021-33045.yaml [template]
In-the-Wild Activity Observed
cisa_kev · confirmed
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I. Basic Information for CVE-2021-33045
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Some Dahua IP Camera, Video Intercom, NVR, XVR devices | 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 be | - |
|
II. Public POCs for CVE-2021-33045
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/dongpohezui/cve-2021-33045 | POC Details |
| 2 | 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. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-33045.yaml | POC Details |
| 3 | None | https://github.com/lequoca/Camera-Dahua-CVE-2021-33045 | POC Details |
AI-Generated POC
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Exploits & Public PoCs for CVE-2021-33045 (1)
Mailing List Discussions for CVE-2021-33045 (1)
Other References for CVE-2021-33045 (1)
-
https://www.dahuasecurity.com/support/cybersecurity/details/957 x_refsource_MISC
Same Patch Batch · n/a · 2021-09-15 · 50 CVEs total
| CVE-2021-30137 | 7.7 HIGH | Axios Systems Assyst 代码问题漏洞 |
| CVE-2021-40966 | TinyFileManager 跨站脚本漏洞 | |
| CVE-2020-21321 | emlog 跨站请求伪造漏洞 | |
| CVE-2021-33044 | Dahua IPC 授权问题漏洞 | |
| CVE-2020-21480 | RGCMS 安全漏洞 | |
| CVE-2020-21481 | RGCMS 代码问题漏洞 | |
| CVE-2020-21482 | RGCMS 跨站脚本漏洞 | |
| CVE-2020-21483 | Jizhicms 代码问题漏洞 | |
| CVE-2021-40881 | PublicCMS 安全漏洞 | |
| CVE-2021-40964 | TinyFileManager 路径遍历漏洞 | |
| CVE-2021-40965 | TinyFileManager 跨站请求伪造漏洞 | |
| CVE-2021-40862 | Hashicorp Terraform 信息泄露漏洞 | |
| CVE-2021-40156 | Autodesk Navisworks 缓冲区错误漏洞 | |
| CVE-2021-40155 | Autodesk Navisworks 缓冲区错误漏洞 | |
| CVE-2021-27046 | Autodesk Navisworks 缓冲区错误漏洞 | |
| CVE-2021-27045 | Autodesk Navisworks 缓冲区错误漏洞 | |
| CVE-2021-37412 | TechRadar app 跨站脚本漏洞 | |
| CVE-2021-40238 | Webuzo 跨站脚本漏洞 | |
| CVE-2020-21127 | Metinfo MetInfo SQL注入漏洞 | |
| CVE-2020-21126 | Metinfo MetInfo 跨站请求伪造漏洞 |
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IV. Related Vulnerabilities
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V. Comments for CVE-2021-33045
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