Main Vulnerability Database Vulnerabilities #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

CSH Severity: Medium

CVSS v4: 8.2 [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]

CVE-ID: CVE-2023-29105

CWE-ID: CWE-544

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

SIMATIC Cloud Connect 7 CC712
SIMATIC Cloud Connect 7 CC716

How to mitigate CVE-2023-29105

Install updates from vendor's website.

SIMATIC Cloud Connect 7 CC712 - update to 2.1
SIMATIC Cloud Connect 7 CC716 - update to 2.1

External References

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

Related Security Bulletins

Multiple vulnerabilities in Siemens SIMATIC Cloud Connect 7