#VU62478 Improper access control in SIMATIC STEP 7 (TIA Portal) - CVE-2021-42029

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Main Vulnerability Database Vulnerabilities #VU62478

#VU62478 Improper access control in SIMATIC STEP 7 (TIA Portal) - CVE-2021-42029

Published: April 21, 2022


Vulnerability identifier: #VU62478
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:N/SC:H/SI:L/SA:L/E:U/U:Clear
CVE-ID: CVE-2021-42029
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
SIMATIC STEP 7 (TIA Portal)
Software vendor:
Siemens

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the engineering system software. A local administrator can bypass implemented security restrictions and gain elevated privileges on the system.


Remediation

Install updates from vendor's website.

External links