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    CVE-2021-42756

    Multiple stack-based buffer overflow vulnerabilities [CWE-121] in the proxy daemon of FortiWeb 5.x all versions, 6.0.7 and below, 6.1.2 and below, 6.2.6 and below, 6.3.16 and below, 6.4 all versions may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests.

    Published:Feb 16, 2023
    Last Modified:Nov 21, 2024
    EPS:Feb 16, 2023
    EPSS Score:0.82165
    CVSS Score:9.3

    Affected Products

    Vendor
    Fortinet
    Product
    Fortiweb

    Exploits

    https://github.com/3ndorph1n/CVE-2021-42756

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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