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    CVE-2021-47813

    Backup Key Recovery 2.2.7 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the registration code input field. Attackers can paste a large buffer of 256 repeated characters into the registration key field to trigger application instability and potential crash.

    Published:Jan 15, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 15, 2026
    EPSS Score:0.00014
    CVSS Score:7.5

    Affected Products

    Vendor
    Nsauditor
    Product
    Backup Key Recovery

    Exploits

    No exploit reference

    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