SB2020011502 - Path traversal in Siemens TIA Portal
Published: January 15, 2020
Security Bulletin ID
SB2020011502
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2019-10934)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: 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
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
Remediation
Install update from vendor's website.