CVE-2021-33045 Dahua IP Camera Authentication Bypass
Attackers can bypass identity authentication on Dahua IP cameras, intercoms, and recorders by sending malicious data packets.
- Exploited in the wild
- Since 21 Aug 2024
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-33045?
CVE-2021-33045 is a critical authentication bypass vulnerability in Some Dahua IP Camera, Video Intercom, NVR, XVR devices, published on 15 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2021-33045?
It affects 18 products.
Products include Dahuasecurity Ipc-Hum7xxx Firmware, Dahuasecurity Ipc-Hx3xxx Firmware, Dahuasecurity Ipc-Hx5xxx Firmware, Dahuasecurity Nvr-1xxx Firmware, Dahuasecurity Nvr-2xxx Firmware, Dahuasecurity Nvr-4xxx Firmware and 12 more.
How do I fix CVE-2021-33045?
No fix has been published for CVE-2021-33045 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 11 Sep 2024.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-33045 being exploited?
Yes. Attackers have exploited CVE-2021-33045 in the wild since at least 21 Aug 2024.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Other vulnerabilities in Some Dahua IP Camera, Video Intercom, NVR, XVR devices
Sources
Also known as GHSA-9vwj-hj2h-whjq.