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    CVE-2021-36173

    A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images.

    Published:Dec 8, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 8, 2021
    EPSS Score:0.00404
    CVSS Score:8

    Affected Products

    Vendor
    Fortinet
    Product
    Fortigate-1100e
    Vendor
    Fortinet
    Product
    Fortigate-200f
    Vendor
    Fortinet
    Product
    Fortigate-2600f
    Vendor
    Fortinet
    Product
    Fortigate-3500f
    Vendor
    Fortinet
    Product
    Fortigate-400e
    Vendor
    Fortinet
    Product
    Fortigate-600e
    Vendor
    Fortinet
    Product
    Fortigate 1800f
    Vendor
    Fortinet
    Product
    Fortigate 2200e
    Vendor
    Fortinet
    Product
    Fortigate 3300e
    Vendor
    Fortinet
    Product
    Fortigate 3600e
    Vendor
    Fortinet
    Product
    Fortigate 40f
    Vendor
    Fortinet
    Product
    Fortigate 60f
    Vendor
    Fortinet
    Product
    Fortigate 7121f
    Vendor
    Fortinet
    Product
    Fortios

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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