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    CVE-2017-20240

    Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks. These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key.

    Published:Jun 12, 2026
    Last Modified:Jun 12, 2026
    EPS:Jun 12, 2026
    EPSS Score:
    CVSS Score:5.9

    Affected Products

    Vendor
    Arodland
    Product
    Crypt::pbkdf2

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-208 Observable Timing Discrepancy

    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