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.

CVSS v2.0 4.6 MEDIUM

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf	US Government Resource
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf	Vendor Advisory
http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf	US Government Resource
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:siemens:wincc_tia_portal:11.0:*:*:*:*:*:*:*

History

21 Nov 2024, 01:32

Type	Values Removed	Values Added
References	~~() http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf - US Government Resource~~	() http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf - US Government Resource
References	~~() http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf - Vendor Advisory~~	() http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf - Vendor Advisory

Information

Published : 2013-03-21 14:55

Updated : 2024-11-21 01:32

NVD link : CVE-2011-4515

Mitre link : CVE-2011-4515

CVE.ORG link : CVE-2011-4515

JSON object : View

Products Affected

siemens

wincc_tia_portal

CWE

CWE-255

Credentials Management Errors

{"id": "CVE-2011-4515", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2013-03-21T14:55:01.423", "references": [{"url": "http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf", "tags": ["US Government Resource"], "source": "cret@cert.org"}, {"url": "http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf", "tags": ["Vendor Advisory"], "source": "cret@cert.org"}, {"url": "http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf", "tags": ["US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-255"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Siemens WinCC (Portal TIA) 11 utiliza un algoritmo reversible para el almacenamiento de contrase\u00f1as de aplicaciones HMI Web en archivos legibles por todo el mundo escritura global, lo que permite a usuarios locales obtener informaci\u00f3n sensible mediante el aprovechamiento de (1) el acceso f\u00edsico o (2) servidor de acceso Sm@rt."}], "lastModified": "2024-11-21T01:32:27.630", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:siemens:wincc_tia_portal:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA0630E4-BC67-46D1-90C5-8E5F3AAC86F4"}], "operator": "OR"}]}], "evaluatorImpact": "Per http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf\r\n\r\nINSECURE PASWORD STORAGE\r\nUser credentials for the HMI\u2019s Web application are stored within the HMI\u2019s 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.", "sourceIdentifier": "cret@cert.org"}