VULNERABILITY INTELLIGENCE

CVE-2013-3959

CVSS score4 MEDIUM
EPSS probability1.33%
CISA KEVNot currently listed
Published2013-06-14
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:S/C:P/I:N/A:N

Description

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.

Weakness classification

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Primary references