CVE-2011-4508
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.
- Score
- CVSS 2.0 9.3 Critical
- Status
- Modified - cret@cert.org
- Published
- 2012-02-03
- Last modified
- 2024-09-16
- Weaknesses
- CWE-287
Affected products
- Simatic Hmi Panels (Siemens)
- Wincc (Siemens)
- Wincc Flexible (Siemens)
- Wincc Flexible Runtime (Siemens)
- Wincc Runtime Advanced (Siemens)
References
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
