Vulnerabilities > CVE-2011-4515 - Credentials Management vulnerability in Siemens Wincc TIA Portal 11.0

047910
CVSS 4.6 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
local
low complexity
siemens
CWE-255

Summary

Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive information by leveraging (1) physical access or (2) Sm@rt Server access. Per http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf INSECURE PASWORD STORAGE User credentials for the HMI’s Web application are stored within the HMI’s system. These data are obfuscated in a reversible way and arereadable and writable for users with physical access or Sm@rt Server access to the system.

Vulnerable Configurations

Part Description Count
Application
Siemens
1

Common Weakness Enumeration (CWE)