CVE-2020-3924 Information

Description

DVR firmware in TAT-76 and TAT-77 series of products provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://tvn.twcert.org.tw/taiwanvn/TVN-201910004 https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8