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    CVE-2023-42784

    An improper handling of syntactically invalid structure in Fortinet FortiWeb at least verions 7.4.0 through 7.4.6 and 7.2.0 through 7.2.10 and 7.0.0 through 7.0.10 allows attacker to execute unauthorized code or commands via HTTP/S crafted requests.

    Published:Mar 11, 2025
    Last Modified:Jul 22, 2025
    EPS:Mar 11, 2025
    EPSS Score:0.00113
    CVSS Score:5.5

    Affected Products

    Vendor
    Fortinet
    Product
    Fortiweb

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-40688 (CVSS 7.2) — An out-of-bounds write vulnerability [CWE-787] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWe…
    CVE-2026-39811 (CVSS 4.9) — A integer overflow or wraparound vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 throug…
    CVE-2026-39814 (CVSS 6.7) — A relative path traversal vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6…
    CVE-2025-66178 (CVSS 7.2) — A improper neutralization of special elements used in an os command ('os command injection') vulnerability in …
    CVE-2026-24641 (CVSS 2.7) — A NULL Pointer Dereference vulnerability [CWE-476] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, For…
    CVE-2026-24640 (CVSS 6.6) — A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, …
    CVE-2026-24017 (CVSS 8.1) — An Improper Control of Interaction Frequency vulnerability [CWE-799] vulnerability in Fortinet FortiWeb 8.0.0 …
    CVE-2025-48840 (CVSS 5.3) — An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 th…

    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