#VU48578 Information disclosure in Hikvision DVR/NVR Firmware - CVE-2020-7057

Vulnerability identifier: #VU48578

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-7057

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Hikvision DVR/NVR Firmware
Hardware solutions / Firmware

Vendor: Hikvision

Description

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

The vulnerability exists due to the Hikvision DVR DS-7204HGHI-F1 V4.0.1 build 180903 web version sends different responses for failed ISAPI/Security/sessionLogin/capabilities login attempts depending on whether the user account exists. A remote attacker can gain perform a brute-force attack and guess valid usernames.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Hikvision DVR/NVR Firmware: 4.0.1 build 180903

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External links
https://sku11army.blogspot.com/2020/01/hikvision-dvr-ds-7204hghi-user.html

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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.