Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 41.7%
CVSS Severity
CVSS v2 Score 9.3
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
- 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
Products affected by CVE-2011-4508
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cpe:2.3:a:siemens:simatic_hmi_panels:comfort_panels
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cpe:2.3:a:siemens:simatic_hmi_panels:mobile_panels
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cpe:2.3:a:siemens:simatic_hmi_panels:mp
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cpe:2.3:a:siemens:simatic_hmi_panels:op
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cpe:2.3:a:siemens:simatic_hmi_panels:tp
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cpe:2.3:a:siemens:wincc:6.0
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cpe:2.3:a:siemens:wincc:7.0
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cpe:2.3:a:siemens:wincc:v11
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cpe:2.3:a:siemens:wincc_flexible:2004
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cpe:2.3:a:siemens:wincc_flexible:2005
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cpe:2.3:a:siemens:wincc_flexible:2007
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cpe:2.3:a:siemens:wincc_flexible:2008
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cpe:2.3:a:siemens:wincc_flexible_runtime:*
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cpe:2.3:a:siemens:wincc_runtime_advanced:v11