High severity · published Mar 9, 2017
CVE-2017-6432
An issue was discovered on Dahua DHI-HCVR7216A-S3 3.210.0001.10 build 2016-06-06 devices
8.1
CVSS
0.9%
EPSS
No
On KEV
Description
An issue was discovered on Dahua DHI-HCVR7216A-S3 3.210.0001.10 build 2016-06-06 devices. The Dahua DVR Protocol, which operates on TCP Port 37777, is an unencrypted, binary protocol. Performing a Man-in-the-Middle attack allows both sniffing and injections of packets, which allows creation of fully privileged new users, in addition to capture of sensitive information.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
Nvr Firmware · Dahuasecurity
3.210.0001.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6432
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6432
Third Party Advisory
https://nullku7.github.io/stuff/exploit/dahua/2017/03/09/dahua-nvr-authbypass.html
Press/Media Coverage
https://twitter.com/null_ku7/status/839814344351240193
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