CVE-2023-29105

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).

CVSS 3.1

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

EPSS

0.6% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-25)

CWE

CWE-544

Published

2023-05-09

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

Affected

• siemens:6gk1411-1ac00_firmware
• siemens:6gk1411-5ac00_firmware

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-555292.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-555292.pdf

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