{"id":"CVE-2011-4515","aliases":["EUVD-2011-4441","GHSA-x2cf-jr43-g76c"],"status":"published","title":"Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application...","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.","severity":{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00381,"percentile":0.32418,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-255"],"published":"2013-03-21T14:00:00Z","modified":"2026-06-16T23:34:58Z","products":[{"vendor":"siemens","product":"wincc_tia_portal"}],"references":[{"url":"http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf","tags":["x_refsource_MISC","x_transferred","US Government Resource"]},{"url":"http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4515"},{"url":"https://github.com/advisories/GHSA-x2cf-jr43-g76c"}],"sources":{"cve":[{"id":"CVE-2011-4515","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.","status":"published","published":"2013-03-21T14:00:00Z","modified":"2024-09-17T03:07:52.777Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-4441","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.","status":"published","published":"2013-03-21T14:00:00Z","modified":"2024-09-17T03:07:52Z","updated_at":"2026-11-03T00:28:34.268174Z"}],"ghsa":[{"id":"GHSA-x2cf-jr43-g76c","title":"Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application...","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.","status":"published","published":"2022-05-17T05:09:13Z","modified":"2023-01-28T05:03:25Z","updated_at":"2026-11-02T14:43:58.488407Z"}],"nvd":[{"id":"CVE-2011-4515","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.","status":"published","published":"2013-03-21T14:55:01.423Z","modified":"2026-06-16T23:34:58.327Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:02:12.639283Z"}]}}