CVE Vulnerabilities

CVE-2011-4514

Improper Authentication

Published: Feb 03, 2012 | Modified: Feb 06, 2012
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
10 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

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

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

Name Vendor Start Version End Version
Wincc_flexible Siemens 2004 2004
Wincc_flexible Siemens 2008 2008
Wincc_flexible Siemens 2007 2007
Wincc_flexible Siemens 2005 2005

Potential Mitigations

References