Path traversal in TIA Portal - CVE-2019-10934

 

Path traversal in TIA Portal - CVE-2019-10934

Published: January 15, 2020


Vulnerability identifier: #VU24309
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2019-10934
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
TIA Portal

Detailed vulnerability description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A local user can change the contents of a configuration file and execute arbitrary code with SYSTEM privileges.

The following versions of TIA Portal are affected:

  • TIA Portal v14: All versions
  • TIA Portal v15: All versions prior to v15.1 Upd 4
  • TIA Portal v16: All versions

How to mitigate CVE-2019-10934

Install update from vendor's website.

Sources