Unrated severityCISA KEVNVD Advisory· Published Sep 15, 2021· Updated Jan 12, 2026

CVE-2021-33045

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.

Affected products

N/A/Some Dahua Ip Camera, Video Intercom, Nvr, Xvr Devicesv5
Range: 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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.htmlmitrex_refsource_MISC
seclists.org/fulldisclosure/2021/Oct/13mitremailing-listx_refsource_FULLDISC
www.dahuasecurity.com/support/cybersecurity/details/957mitrex_refsource_MISC

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.075
exploit	0.000
kev	0.120
patch	0.000
ransomware	0.000