CVE-2021-33045
- State
- Published
- Severity
- 9.8 Critical
- Published
- Sep 15, 2021
- Updated
- Jan 12, 2026
- Reserved
- May 17, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
Some Dahua IP Camera, Video Intercom, NVR, XVR devicesn/a |
|
References
- https://www.dahuasecurity.com/support/cybersecurity/details/957
- 20211005 [Update]: Dahua Authentication bypass (CVE-2021-33044, CVE-2021-33045)mailing-list
- http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33045government-resource
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.