CVE-2011-4515

Published Mar 21, 2013

Last updated 11 years ago

Overview

Description
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.
Source
cret@cert.org
NVD status
Analyzed

Risk scores

CVSS 2.0

Type
Primary
Base score
4.6
Impact score
6.4
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov
CWE-255

Social media

Hype score
Not currently trending

Evaluator

Comment
-
Impact
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.
Solution
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.

Configurations