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Vendor

Viessmann

4 known vulnerabilities.

Viessmann at a glance

Last 12 months
0
Critical · all time
0
Exploited · all time
0
Public exploit · all time
2
New vulnerabilities per month · last 12 months
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Products

Vitogate 300 4

Latest advisories

  • High max 8.7
    ICSA-25-266-04 2 CVEs

    Viessmann Vitogate 300

    Successful exploitation of this vulnerability could allow an attacker to modify an intended OS command when it is sent to a downstream component, or allow an attacker to cause unexpected interactions between the client and server.

    Viessmann
All Critical High Medium Low Exploited only Public exploit

4 results · Feed

  • High 8.7
    CVE-2025-9495

    Viessmann Vitogate 300 Authentication Bypass

    The Vitogate 300 web interface fails to enforce proper server-side authentication and relies on frontend-based authentication controls. This allows an attacker to simply modify HTML elements in the browser’s developer tools to bypass login restrictions. By re…

    Viessmann Vitogate 300
  • High 8.5
    CVE-2025-9494

    Viessmann Vitogate 300 OS Command Injection

    An OS command injection vulnerability has been discovered in the Vitogate 300, which can be exploited by malicious users to compromise affected installations. Specifically, the `/cgi-bin/vitogate.cgi` endpoint is affected, when the `form` JSON parameter is se…

    Viessmann Vitogate 300
  • Medium 4.3
    CVE-2023-5702 Public exploit EPSS 19%

    Viessmann Vitogate 300 direct request

    A vulnerability was found in Viessmann Vitogate 300 up to 2.1.3.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /cgi-bin/. The manipulation leads to direct request. The exploit has been disclosed to the public…

    Viessmann Vitogate 300
  • Medium 6.3
    CVE-2023-5222 Public exploit EPSS 80%

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

    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-co…

    Viessmann Vitogate 300