Information disclosure in Amcrest products - CVE-2019-3948

Vulnerability identifier: #VU20932

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green

CVE-ID: CVE-2019-3948

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vendor: Dahua Technology
Amcrest

Affected software:
Dahua NVR2XXX-4KS2
Dahua NVR4XXX-4KS2
Dahua NVR5XXX-4KS2
Dahua DH-SD6XXXXX
Dahua DH-SD5XXXXX
Dahua DH-SD4XXXXX
Dahua DH-IPC-HX863X
Dahua DH-IPC-HX883X
Dahua IPC-HX4X3X
Dahua IPC-HX5X3X
Dahua IPC-XXBXX
IP2M-841B

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the software does not require authentication to access the HTTP endpoint /videotalk. A remote unauthenticated attacker can connect to this endpoint and potentionally listen to the audio of the capturing device.

Install updates from vendor's website.

• https://us.dahuasecurity.com/wp-content/uploads/2019/08/Cybersecurity_2019-08-02.pdf
• https://www.dahuasecurity.com/support/cybersecurity/details/627?us
• https://www.tenable.com/security/research/tra-2019-36