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    CVE-2011-4509

    The HMI web server 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 has an improperly selected default password for the administrator account, which makes it easier for remote attackers to obtain access via a brute-force approach involving many HTTP requests.

    Published:Feb 3, 2012
    Last Modified:Apr 11, 2025
    EPS:Feb 3, 2012
    EPSS Score:0.00634
    CVSS Score:10

    Affected Products

    Vendor
    Siemens
    Product
    Simatic Hmi Panels
    Vendor
    Siemens
    Product
    Wincc
    Vendor
    Siemens
    Product
    Wincc Flexible
    Vendor
    Siemens
    Product
    Wincc Flexible Runtime
    Vendor
    Siemens
    Product
    Wincc Runtime Advanced

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2011-4508 (CVSS 9.3) — The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal)…
    CVE-2011-4511 (CVSS 4.3) — Cross-site scripting (XSS) vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and…
    CVE-2011-4513 (CVSS 10) — Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels,…
    CVE-2011-4514 (CVSS 10) — The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP…
    CVE-2011-4878 (CVSS 7.8) — Directory traversal vulnerability in miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2…
    CVE-2011-4510 (CVSS 4.3) — Cross-site scripting (XSS) vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and…
    CVE-2011-4512 (CVSS 5) — CRLF injection vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before…
    CVE-2011-4875 (CVSS 9.3) — Stack-based buffer overflow in HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2…
    CVE-2011-4876 (CVSS 9.3) — Directory traversal vulnerability in HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007,…
    CVE-2011-4877 (CVSS 7.1) — HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal)…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High