title: Viessmann Vitogate 300 Web Management Interface vitogate.cgi isValidUser hard-coded password
description: A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
problem types: CWE-259 Use of Hard-coded Password
affected:
{
vendor: Viessmann
product: Vitogate 300
versions:
version: 2.1.0, status: affected
version: 2.1.1, status: affected
version: 2.1.2, status: affected
version: 2.1.3, status: affected
modules: Web Management Interface
}
metrics:
cvssV3_1: [
version: 3.1
baseScore: 6.3
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
baseSeverity: MEDIUM
]