Privilege escalation in Hikvision Cameras

Published: 2017-03-10 | Updated: 2023-08-28

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-7921 CVE-2017-7923
CWE-ID	CWE-287 CWE-260
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	DS-2CD63xx Series Hardware solutions / Firmware DS-2DFx Series Hardware solutions / Firmware DS-2CD4xx5 Series Hardware solutions / Firmware DS- 2CD4x2xFWD Series Hardware solutions / Firmware DS-2CD2xx2FWD Series Hardware solutions / Firmware DS-2CD2xx0F-I Series Hardware solutions / Firmware DS-2CD2xx2F-I Series Hardware solutions / Firmware Hikvision DVR/NVR Firmware Hardware solutions / Firmware
Vendor	Hikvision

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Privilege escalation

EUVDB-ID: #VU9538

Risk: Medium

CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2017-7921

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: Yes

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

DS-2CD63xx Series: All versions

DS-2DFx Series: All versions

DS-2CD4xx5 Series: All versions

DS- 2CD4x2xFWD Series: All versions

DS-2CD2xx2FWD Series: All versions

DS-2CD2xx0F-I Series: All versions

DS-2CD2xx2F-I Series: All versions

Hikvision DVR/NVR Firmware: All versions

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.

2) Privilege escalation

EUVDB-ID: #VU9539

Risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-7923

CWE-ID: CWE-260 - Password in Configuration File

Exploit availability: No