#VU9538 Privilege escalation in Hikvision products - CVE-2017-7921

Vulnerability identifier: #VU9538

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green

CVE-ID: CVE-2017-7921

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerable software:
DS-2CD63xx Series
DS-2DFx Series
DS-2CD4xx5 Series
DS- 2CD4x2xFWD Series
DS-2CD2xx2FWD Series
DS-2CD2xx0F-I Series
DS-2CD2xx2F-I Series
Hikvision DVR/NVR Firmware

Software vendor:
Hikvision

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The weakness exists due to improper authentication when an application does not adequately or correctly authenticate users. A remote attacker can bypass authentication and gain elevated privileges.

Install update from vendor's website.

• http://www.hikvision.com/en/Press-Release-details_435_i1478.html
• http://www.hikvision.com/en/Press-Release-details_435_i1504.html