Simatic Pcs7
CVE-2013-3959
MEDIUM
Severity by source
AV:N/AC:L/Au:S/C:P/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
AV:N/AC:L/Au:S/C:P/I:N/A:N
Lifecycle Timeline
1DescriptionCVE.org
The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different behavior for NetBIOS user names depending on whether the user account exists, which allows remote authenticated users to enumerate account names via crafted URL parameters.
AnalysisAI
The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different behavior for NetBIOS user names depending on whether the. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different behavior for NetBIOS user names depending on whether the user account exists, which allows remote authenticated users to enumerate account names via crafted URL parameters. Affected products include: Siemens Simatic Pcs7, Siemens Wincc. Version information: before 7.2.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.
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External POC / Exploit Code
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