CVE-2011-4514

CriticalCVSS 10.0/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-287

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Feb 3, 2012
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2011

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CVE-2011-4514: Critical severity, CVSS 10.0 | Vulnix