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Vulnerability record · CVE-2023-45852 · published 14 October 2023

CVE-2023-45852: Viessmann vitogate 300 firmware command injection vulnerability

Viessmann · Vitogate 300 Firmware

In Vitogate 300 2.1.3.0, /cgi-bin/vitogate.cgi allows an unauthenticated attacker to bypass authentication and execute arbitrary commands via shell metacharacters in the ipaddr params JSON data for the put method.

9.8 CVSS 3.1 Critical EPSS 14% · top 3.6% CWE-77 · Command injection
9.8CVSS 3.1 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Vitogate 300 2.1.3.0, /cgi-bin/vitogate.cgi allows an unauthenticated attacker to bypass authentication and execute arbitrary commands via shell metacharacters in the ipaddr params JSON data for the put method.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://connectivity.viessmann.com/gb/mp-fp/vitogate/vitogate-300-bn-mb.html Product
https://github.com/Push3AX/vul/blob/main/viessmann/Vitogate300_RCE.md ExploitThird Party Advisory
https://connectivity.viessmann.com/gb/mp-fp/vitogate/vitogate-300-bn-mb.html Product
https://github.com/Push3AX/vul/blob/main/viessmann/Vitogate300_RCE.md ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-45852), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.