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    CVE-2011-4203

    CRLF injection vulnerability in calendar/set.php in the Calendar component in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, 2.1.x before 2.1.3, and 2.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via vectors involving the url variable.

    Published:Dec 22, 2011
    Last Modified:Apr 11, 2025
    EPS:Dec 22, 2011
    EPSS Score:0.00245
    CVSS Score:5

    Affected Products

    Vendor
    Moodle
    Product
    Moodle

    Exploits

    http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle/http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle/

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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