Vulnerability Monitor

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CVE-2011-4515

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.

Published

2013-03-21T14:55:01.423

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-255

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	siemens	wincc_tia_portal	11.0	Yes

References

http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf US Government Resource ([email protected])
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf Vendor Advisory ([email protected])
http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)