CVE-2011-4515
Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4515- CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4515- Updated
- 2026-11-02
EUVDEUVD-2011-4441 No score
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.
- Record
EUVD-2011-4441- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x2cf-jr43-g76c No score
Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application...
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.
- Record
GHSA-x2cf-jr43-g76c- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4515 is a medium vulnerability (CVSS 4.6) in Siemens Wincc Tia Portal, published March 21, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.