CVE-2011-4514: Critical severity siemens simatic wincc flexible 2008 vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-4514?
CVE-2011-4514 is considered to have a high severity as it allows remote attackers to gain access without authentication.
How do I fix CVE-2011-4514?
To mitigate CVE-2011-4514, apply the security patches provided by Siemens for the affected software versions.
What systems are affected by CVE-2011-4514?
CVE-2011-4514 affects Siemens WinCC flexible versions 2004 to 2008, WinCC V11, and various SIMATIC HMI panels.
What type of attack can be carried out due to CVE-2011-4514?
CVE-2011-4514 allows remote code execution due to the lack of authentication in the TELNET daemon.
Is there a workaround for CVE-2011-4514?
A potential workaround for CVE-2011-4514 is to disable the TELNET service if it is not required for operations.