CVE-2021-33046 Auth bypass in Access control vulnerability found in some Dahua products
Attackers can reset device passwords in specific Dahua deployments, leading to unauthorized access and account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-33046?
CVE-2021-33046 is a critical authentication bypass vulnerability in Access control vulnerability found in some Dahua products, published on 13 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.
Weakness: CWE-287
Which versions are affected by CVE-2021-33046?
It affects 28 products.
Products include Dahuasecurity Asc2204c Firmware, Dahuasecurity Hcvr7xxx Firmware, Dahuasecurity Hcvr8xxx Firmware, Dahuasecurity Ipc-Hx1xxx Firmware, Dahuasecurity Ipc-Hx2xxx Firmware, Dahuasecurity Ipc-Hx3xxx Firmware and 22 more.
How do I fix CVE-2021-33046?
No fix has been published for CVE-2021-33046 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-33046 being exploited?
There is no known exploitation of CVE-2021-33046 in the wild and no public exploit code.
Sources
Also known as GHSA-6v9x-wm34-846q.