CVEvulnerability

CVE-2011-4508

9.3 HIGH Published 2012-02-03 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2012-02-03
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
CWE-287

Description

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.

Affected configurations

• siemens wincc flexible 2004 • siemens wincc flexible 2005 • siemens wincc flexible 2007 • siemens wincc flexible 2008 • siemens wincc (<= v11) • siemens wincc v11 • siemens simatic hmi panels comfort panels • siemens simatic hmi panels mobile panels • siemens simatic hmi panels mp • siemens simatic hmi panels op • siemens simatic hmi panels tp • siemens wincc runtime advanced v11 • siemens wincc flexible runtime

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References