Improper access control in Siemens products - CVE-2021-46304

 

Improper access control in Siemens products - CVE-2021-46304

Published: August 10, 2022


Vulnerability identifier: #VU66359
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-46304
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
CP-8000 MASTER MODULE WITH I/O -25/+70°C
CP-8000 MASTER MODULE WITH I/O -40/+70°C
CP-8021 MASTER MODULE
CP-8022 MASTER MODULE WITH GPRS

Detailed vulnerability description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected component allows to activate a web server module which provides unauthenticated access to its web pages. A remote attacker can retrieve debug-level information.


How to mitigate CVE-2021-46304

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources