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CVE-2023-5222

CriticalPublished

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

Published: Sep 27, 2023
Updated: Aug 2, 2024
Assigning CNA: VulDB
Evidence observed: Mar 14, 2024

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

74.5%

High · next 30 days

Percentile: 99.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Viessmann Vitogate 300 2.1.3.0 - Remote Code Execution (RCE)Exploit
ByteHunter · hardware · Mar 14, 2024

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