RCE in Viessmann Vitogate_300

CVE-2023-45852

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.140 (96.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-45852?
CVE-2023-45852 is a critical-severity vulnerability in Viessmann Vitogate_300, classified under Command Injection. CVSS score: 9.8/10. Published 2023-10-14.
How severe is CVE-2023-45852?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-45852 known to be exploited?
9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.