Improper Authentication in KbDevice products - CVE-2023-30762

Vulnerability identifier: #VU76968

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-30762

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote user can bypass authentication process and gain unauthorized access to the application.

KB-AHR04D
KB-AHR08D
KB-AHR16D
KB-IRIP04A
KB-IRIP08A
KB-IRIP16A

Install updates from vendor's website.

KB-AHR04D - update to 91110.1.101106.78
KB-AHR08D - update to 91210.1.101106.78
KB-AHR16D - update to 91310.1.101106.78
KB-IRIP04A - update to 95110.1.100290.78A
KB-IRIP08A - update to 95210.1.100290.78A
KB-IRIP16A - update to 95310.1.100290.78A

• https://jvn.jp/en/vu/JVNVU90812349/index.html

• Multiple vulnerabilities in KbDevice digital video recorders