Main Vulnerability Database Vulnerabilities #VU50641

Improper access control in SIMATIC PCS neo and TIA Portal - CVE-2020-25238

Published: February 11, 2021

Vulnerability identifier: #VU50641

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-25238

CWE-ID: CWE-284

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper access restrictions. A local user can bypass implemented security restrictions and gain unauthorized access to the application.

Affected software

SIMATIC PCS neo
TIA Portal

How to mitigate CVE-2020-25238

Install updates from vendor's website.

TIA Portal - update to 1.0 SP2 Upd2

External References

https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf

Related Security Bulletins

Improper access control in Siemens TIA Administrator