CVE-2011-4514 Information

Description

The TELNET daemon in Siemens WinCC flexible 2004 2005 2007 and 2008; WinCC V11 (aka TIA portal); the TP OP MP Comfort Panels and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not perform authentication which makes it easier for remote attackers to obtain access via a TCP session.

Reference

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf