CVE Vulnerabilities

CVE-2011-4508

Improper Authentication

Published: Feb 03, 2012 | Modified: Feb 07, 2012
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
9.3 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime generates predictable authentication tokens for cookies, which makes it easier for remote attackers to bypass authentication via a crafted cookie.

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 2008 2008
Wincc_flexible Siemens 2008 2008
Wincc_flexible Siemens 2007 2007
Wincc_flexible Siemens 2005 2005

Potential Mitigations

References