PT-2013-1049

CVE-2013-3959

Published

2013-06-14

Updated

2013-06-17

Description by

CVSS 2.0

4.0

Medium

MetricsAV:N/AC:L/Au:S/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Siemens WinCC versions prior to 7.2 Update 1

Description The issue exists due to different behavior for NetBIOS user names in the Web Navigator component of Siemens WinCC, depending on whether a user account exists. This allows remote authenticated users to enumerate account names by using specially crafted URL parameters.

Recommendations For versions prior to 7.2 Update 1, update to version 7.2 Update 1 or later to resolve the issue.

Exploitability

Fix

Impacts

Researchers

Aleksandr Tlyapov

Vendors

Affected products

Weakness enumeration

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

Related identifiers

CVE-2013-3959