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).
problem types: CWE-544: Missing Standardized Error Handling Mechanism
affected:
{
vendor: Siemens
product: SIMATIC Cloud Connect 7 CC712
versions:
version: All versions >= V2.0 < V2.1, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC Cloud Connect 7 CC712
versions:
version: All versions < V2.1, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC Cloud Connect 7 CC716
versions:
version: All versions >= V2.0 < V2.1, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC Cloud Connect 7 CC716
versions:
version: All versions < V2.1, status: affected
defaultStatus: unknown
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
baseScore: 5.9
baseSeverity: MEDIUM
]