Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Wincc Flexible | 2004 |
| Siemens | Wincc | <= v11 |
| Siemens | Simatic Hmi Panels | comfort_panels |
| Siemens | Wincc Runtime Advanced | v11 |
| Siemens | Wincc Flexible Runtime | All versions |
Related Weaknesses (CWE)
References
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_secVendor Advisory
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfUS Government Resource
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_secVendor Advisory
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfUS Government Resource
FAQ
What is CVE-2011-4508?
CVE-2011-4508 is a vulnerability with a CVSS score of 9.3 (HIGH). 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...
How severe is CVE-2011-4508?
CVE-2011-4508 has been rated HIGH with a CVSS base score of 9.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4508?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Wincc Flexible, Siemens Wincc, Siemens Simatic Hmi Panels, Siemens Wincc Runtime Advanced, Siemens Wincc Flexible Runtime.