#VU76012 Missing Standardized Error Handling Mechanism in SIMATIC Cloud Connect 7 CC712 and SIMATIC Cloud Connect 7 CC716 - CVE-2023-29105

 

#VU76012 Missing Standardized Error Handling Mechanism in SIMATIC Cloud Connect 7 CC712 and SIMATIC Cloud Connect 7 CC716 - CVE-2023-29105

Published: May 11, 2023


Vulnerability identifier: #VU76012
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-29105
CWE-ID: CWE-544
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SIMATIC Cloud Connect 7 CC712
SIMATIC Cloud Connect 7 CC716
Software vendor:
Siemens

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to missing standardized error handling mechanism while parsing a random (non-JSON) MQTT payload. A remote attacker can manipulate the communication between the MQTT broker and the affected device and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links