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).
References (1)
Core 1
Core References
Patch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-555292.pdf
Scores
CVSS v3
5.9
EPSS
0.0069
EPSS Percentile
72.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-544
Status
published
Products (2)
siemens/6gk1411-1ac00_firmware
< 2.1
siemens/6gk1411-5ac00_firmware
< 2.1
Published
May 09, 2023
Tracked Since
Feb 18, 2026