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TI-2023-24609 Aliases CVE-2023-45852GHSA-4j4f-q993-cr2r

In Vitogate 300 2.1.3.0, /cgi-bin/vitogate.cgi allows an unauthenticated attacker to…

Priority HIGH 82CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.15247 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:viessmann:vitogate_300_firmware:*:*:*:*:*:*:*:*up to 2.1.3.0VulnerableViessmann
cpe:2.3:h:viessmann:vitogate_300:-:*:*:*:*:*:*:*not specified by NVDRunning onViessmann
  • cpe:2.3:o:viessmann:vitogate_300_firmware:*:*:*:*:*:*:*:* Versions up to 2.1.3.0 Vulnerable ·Viessmann
  • cpe:2.3:h:viessmann:vitogate_300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Viessmann

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-45852
  2. 2026-10-03 Alias added: GHSA-4j4f-q993-cr2r

References

  • TI-2023-04802 Viessmann Vitogate 300 Web Management Interface vitogate.cgi isValidUser hard-coded password CVSS 3.1CRITICAL 9.8
  • TI-2023-05245 Viessmann Vitogate 300 direct request CVSS 3.1MEDIUM 6.5

Sources