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    CVE-2009-4118

    The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for Windows before 5.0.06.0100 does not properly handle an ERROR_FAILED_SERVICE_CONTROLLER_CONNECT error, which allows local users to cause a denial of service (service crash and VPN connection loss) via a manual start of cvpnd.exe while the cvpnd service is running.

    Published:Dec 1, 2009
    Last Modified:Apr 23, 2026
    EPS:Dec 1, 2009
    EPSS Score:0.00275
    CVSS Score:2.1

    Affected Products

    Vendor
    Cisco
    Product
    Vpn Client

    Exploits

    http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txthttp://www.securityfocus.com/bid/37077http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txthttp://www.securityfocus.com/bid/37077https://www.exploit-db.com/exploits/10190https://github.com/alt3kx/CVE-2009-4118

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2011-2678 (CVSS 6.8) — The Cisco VPN Client 5.0.7.0240 and 5.0.7.0290 on 64-bit Windows platforms uses weak permissions (NT AUTHORITY…
    CVE-2008-5121 (CVSS 7.2) — dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cis…
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    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