Vulnerability · Published Sep 27, 2023 · Assigned by VulDB

CVE-2023-5222Viessmann Vitogate 300 Web Management Interface vitogate.cgi isValidUser hard-coded password

Medium 6.3

In plain English

A medium-severity security flaw in Vitogate 300 from Viessmann. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 80.4% (higher than 99.6% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)80.4%top 0.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Nuclei

Official 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.

Affected products (as reported)

VendorProductVersions
Viessmann Vitogate 300 2.1.02.1.12.1.22.1.3

Weakness: CWE-259 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References