Auth bypass in Dahuasecurity Camera Firmware
CVE-2017-6343
The web interface on Dahua DHI-HCVR7216A-S3 devices with NVR Firmware 3.210.0001.10 2016-06-06, Camera Firmware 2.400.0000.28.R 2016-03-29, and SmartPSS Software 1.16.1 2017-01-19 allows remote attackers to obtain login access by leveraging knowledge of the MD5 Admin Hash without knowledge of the corresponding password, a different vulnerability than CVE-2013-6117.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.603 (99.1th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.603 · newest: 0.603 · change: 0.000
Affected products
- Dahuasecurity Camera Firmware — versions 2.400.0000.28.r
- Dahuasecurity Dhi-Hcvr7216a-S3
- Dahuasecurity Nvr Firmware — versions 3.210.0001.10
- Dahuasecurity Smartpss Firmware — versions 1.16.1
Weakness classification (CWE)
References
- www.securityfocus.com/bid/96449 (VDB Entry, Third Party Advisory, vdb-entry)
- nullku7.github.io/stuff/exposure/dahua/2017/02/24/dahua-nvr.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-6343?
- CVE-2017-6343 is a high-severity vulnerability in Dahuasecurity Camera Firmware, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-02-27.
- How severe is CVE-2017-6343?
- High severity. CVSS v3 base score is 8.1 out of 10.