CVE-2021-33045

Known Exploited Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 93.81% Top 5%
KEV Since 
Vendor Advisory dahuasecurity.com
Affected: n/a Some Dahua IP Camera, Video Intercom, NVR, XVR devices
Published at:
Updated at:

References

Link Tags
https://www.dahuasecurity.com/support/cybersecurity/details/957 vendor advisory
http://seclists.org/fulldisclosure/2021/Oct/13 mailing list exploit third party advisory
http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-33045?
CVE-2021-33045 has been scored as a critical severity vulnerability.
How to fix CVE-2021-33045?
To fix CVE-2021-33045, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33045 being actively exploited in the wild?
It is confirmed that CVE-2021-33045 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33045?
CVE-2021-33045 affects n/a Some Dahua IP Camera, Video Intercom, NVR, XVR devices.
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