CVE-2023-29105

EUVD-2023-32708

09.05.2023, 13:15

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).

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	5.9 MEDIUM	NETWORK	HIGH	NONE	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
siemens	CNA	5.9 MEDIUM				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

Base Score

CVSS 3.x

EPSS Score

Percentile: 52%

Affected Products (NVD)

Vendor	Product	Version
siemens	6gk1411-1ac00_firmware	𝑥 < 2.1
siemens	6gk1411-5ac00_firmware	𝑥 < 2.1

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-544 - Missing Standardized Error Handling Mechanism
The software does not use a standardized method for handling errors throughout the code, which might introduce inconsistent error handling and resultant weaknesses.

References

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