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).
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
E
Physical
RL
O
RC
Changed
Affected products
- Siemens / SIMATIC Cloud Connect 7 CC712All versions >= V2.0 < V2.1 – All versions >= V2.0 < V2.1
- Siemens / SIMATIC Cloud Connect 7 CC712All versions < V2.1 – All versions < V2.1
- Siemens / SIMATIC Cloud Connect 7 CC716All versions >= V2.0 < V2.1 – All versions >= V2.0 < V2.1
- Siemens / SIMATIC Cloud Connect 7 CC716All versions < V2.1 – All versions < V2.1