VULNERABILITY INTELLIGENCE

CVE-2011-4514

CVSS score10 HIGH
EPSS probability3.38%
CISA KEVNot currently listed
Published2012-02-03
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:C/I:C/A:C

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.

Weakness classification

  • CWE-287: Improper Authentication

Primary references