CVE-2021-33045
Dahua IP Camera Authentication Bypass Vulnerability
- Published
- Sep 15, 2021
- Updated
- Jan 12, 2026
- Assigning CNA
- dahua
- Evidence observed
- Aug 21, 2024
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
http/cves/2021/CVE-2021-33045.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: status,word($.matchers[*].type)
- cve-2021-33045Exploit
Exploit for Dahua camera authentication bypass (CVE-2021-33045) using mitmproxy to intercept and modify login requests to /RPC2_Login.
- dahua-cve-researchExploit
Dahua IP camera CVE research toolkit (CVE-2021-33044/33045, CVE-2025-31700/31701)
- DahuaLoginBypassExploit
Chrome extension that uses vulnerabilities CVE-2021-33044 and CVE-2021-33045 to log in to Dahua cameras without authentication.
- DahuaConsoleExploit
Dahua Console, access internal debug console and/or other researched functions in Dahua devices. Feel free to contribute in this project.
- PoCPoC
Issues has been disabled for these PoC's, as they are simply PoC, Public Domain and unsupported.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.