#VU74816 External Control of File Name or Path in TIA Portal - CVE-2023-26293

 

#VU74816 External Control of File Name or Path in TIA Portal - CVE-2023-26293

Published: April 11, 2023


Vulnerability identifier: #VU74816
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-26293
CWE-ID: CWE-73
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
TIA Portal
Software vendor:
Siemens

Description

The vulnerability allows a remote attacker to create or overwrite arbitrary files.

The vulnerability exists due to improper input validation of path names inside PC system configuration files. A remote attacker can trick the victim to open a specially crafted PC system configuration file and create or overwrite arbitrary files on the system.


Remediation

Install updates from vendor's website.

External links