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NVD Vulnerability Details :
CVE-2011-4515
Modified
More InfoOfficial Page
Source-cret@cert.org
View Known Exploited Vulnerability (KEV) details
Published At-21 Mar, 2013 | 14:55
Updated At-29 Apr, 2026 | 01:13

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary2.04.6MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 2.0
Base score: 4.6
Base severity: MEDIUM
Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CPE Matches
Siemens AG
siemens
>>wincc_tia_portal>>11.0
cpe:2.3:a:siemens:wincc_tia_portal:11.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-255Primarynvd@nist.gov
CWE ID: CWE-255
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator 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.

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdfcret@cert.org
US Government Resource
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdfcret@cert.org
Vendor Advisory
http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdfaf854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdfaf854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Hyperlink: http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf
Source: cret@cert.org
Resource:
US Government Resource
Hyperlink: http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf
Source: cret@cert.org
Resource:
Vendor Advisory
Hyperlink: http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
US Government Resource
Hyperlink: http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Change History
0Changes found
Details not found