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    CVE-2008-6540

    DotNetNuke before 4.8.2, during installation or upgrade, does not warn the administrator when the default (1) ValidationKey and (2) DecryptionKey values cannot be modified in the web.config file, which allows remote attackers to bypass intended access restrictions by using the default keys.

    Published:Mar 30, 2009
    Last Modified:Apr 24, 2026
    EPS:Mar 30, 2009
    EPSS Score:0.0533
    CVSS Score:5.1

    Affected Products

    Vendor
    Dnnsoftware
    Product
    Dotnetnuke

    Exploits

    http://www.securityfocus.com/bid/28391http://www.securityfocus.com/bid/28391https://www.exploit-db.com/exploits/31465

    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-2026-40306 (CVSS 6.9) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-40305 (CVSS 4.3) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2020-37103 (CVSS 5.1) — DotNetNuke 9.5 contains a persistent cross-site scripting vulnerability that allows normal users to upload mal…
    CVE-2026-24838 (CVSS 9.1) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24837 (CVSS 7.6) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24836 (CVSS 7.6) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24833 (CVSS 7.6) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24784 (CVSS 6.8) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2025-64095 (CVSS 10) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …

    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