CVE-2017-7927 Auth bypass in Dahua Technology Co., Ltd Digital Video Recorders and IP Cameras
Attackers can bypass authentication on Dahua cameras and recorders by using password hashes instead of actual passwords, gaining unauthorized access.
- 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-2017-7927?
CVE-2017-7927 is a high-severity authentication bypass vulnerability in Dahua Technology Co., Ltd Digital Video Recorders and IP Cameras, published on 6 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Use of Password Hash Instead of Password for Authentication issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS, DH-IPC-HDBW13A0SN, DH-IPC-HDW1XXX, DH-IPC-HDW2XXX, DH-IPC-HDW4XXX, DH-IPC-HFW1XXX, DH-IPC-HFW2XXX, DH-IPC-HFW4XXX, DH-SD6CXX, DH-NVR1XXX, DH-HCVR4XXX, DH-HCVR5XXX, DHI-HCVR51A04HE-S3, DHI-HCVR51A08HE-S3, and DHI-HCVR58A32S-S2 devices. The use of password hash instead of password for authentication vulnerability was identified, which could allow a malicious user to bypass authentication without obtaining the actual password.
Which versions are affected by CVE-2017-7927?
It affects 15 products.
Products include Dahuasecurity Dh-Hcvr4xxx Firmware, Dahuasecurity Dh-Hcvr5xxx Firmware, Dahuasecurity Dh-Ipc-Hdbw13a0sn Firmware, Dahuasecurity Dh-Ipc-Hdbw23a0rn-Zs Firmware, Dahuasecurity Dh-Ipc-Hdw1xxx Firmware, Dahuasecurity Dh-Ipc-Hdw2xxx Firmware and 9 more.
How do I fix CVE-2017-7927?
No fix has been published for CVE-2017-7927 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-2017-7927 being exploited?
There is no known exploitation of CVE-2017-7927 in the wild and no public exploit code.
Other vulnerabilities in Dahua Technology Co., Ltd Digital Video Recorders and IP Cameras
Sources
Also known as GHSA-c2vq-prj2-mrqc.