Unrated severityNVD Advisory· Published Feb 3, 2012· Updated Jun 16, 2026
CVE-2011-4514
CVE-2011-4514
Description
The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not perform authentication, which makes it easier for remote attackers to obtain access via a TCP session.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14cpe:2.3:a:siemens:simatic_hmi_panels:comfort_panels:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:siemens:simatic_hmi_panels:comfort_panels:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:mobile_panels:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:mp:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:op:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:tp:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc_flexible:2004:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:siemens:wincc_flexible:2004:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2005:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2007:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2008:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible_runtime:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_runtime_advanced:v11:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc:v11:*:*:*:*:*:*:*
- Range: 2004, 2005, 2007, 2008
- Range: V11
Patches
Vulnerability mechanics
References
2- www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdfnvdVendor Advisory
- www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfnvdUS Government Resource
News mentions
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