CVE-2023-29105

HighCVSS 7.5/10Last modified Oct 23, 2026

Description

A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions >= V2.0 < V2.1), SIMATIC Cloud Connect 7 CC712 (All versions < V2.1), SIMATIC Cloud Connect 7 CC716 (All versions >= V2.0 < V2.1), SIMATIC Cloud Connect 7 CC716 (All versions < V2.1). The affected device is vulnerable to a denial of service while parsing a random (non-JSON) MQTT payload. This could allow an attacker who can manipulate the communication between the MQTT broker and the affected device to cause a denial of service (DoS).

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-544

Affected software

Vendor	Product	Versions
Siemens	SIMATIC Cloud Connect 7 CC712	All versions >= V2.0 < V2.1
Siemens	SIMATIC Cloud Connect 7 CC712	All versions < V2.1
Siemens	SIMATIC Cloud Connect 7 CC716	All versions >= V2.0 < V2.1
Siemens	SIMATIC Cloud Connect 7 CC716	All versions < V2.1

References

https://cert-portal.siemens.com/productcert/pdf/ssa-555292.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-555292.pdfPatch, Vendor Advisory

Timeline

Published: May 9, 2023
Last modified: Oct 23, 2026
NVD status: Modified

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