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).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC Cloud Connect 7 CC712 | All versions >= V2.0 < V2.1, All versions < V2.1 | — |
| Siemens | SIMATIC Cloud Connect 7 CC716 | All versions >= V2.0 < V2.1, All versions < V2.1 | — |
Advisories 2
- ICSA-23-131-04 Siemens SIMATIC Cloud Connect 7 CISA ICS & IT advisories · May 6, 2025
- SSA-555292 SSA-555292: Security Vulnerabilities Fixed in SIMATIC Cloud Connect 7 V2.1 Siemens ProductCERT · May 9, 2023