#VU97309 Use of hard-coded credentials in Vitogate 300 - CVE-2023-5222
Published: September 16, 2024 / Updated: October 25, 2024
Vulnerability identifier: #VU97309
Vulnerability risk: High
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:P/U:Amber
CVE-ID: CVE-2023-5222
CWE-ID: CWE-798
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Vitogate 300
Vitogate 300
Software vendor:
Viessmann
Viessmann
Description
The vulnerability allows a remote attacker to gain full access to vulnerable system.
The vulnerability exists due to presence of hard-coded credentials in application code within the isValidUser function in the /cgi-bin/vitogate.cgi file. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.