CVE Feed

    Dashboard / CVE / CVE-2021-4451

    CVE-2021-4451

    The NinjaFirewall plugin for WordPress is vulnerable to Authenticated PHAR Deserialization in versions up to, and including, 4.3.3. This allows authenticated attackers to perform phar deserialization on the server. This deserialization can allow other plugin or theme exploits if vulnerable software is present (WordPress, and NinjaFirewall).

    Published:Oct 16, 2024
    Last Modified:Apr 8, 2026
    EPS:Oct 16, 2024
    EPSS Score:0.00978
    CVSS Score:6.6

    Affected Products

    Vendor
    Ninjatechnologiesnetwork
    Product
    Ninja Firewall
    Vendor
    Nintechnet
    Product
    Ninjafirewall

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    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