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    CVE-2018-12542

    In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the StaticHandler uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\' (forward slashes) sequences that can resolve to a location that is outside of that directory when running on Windows Operating Systems.

    Published:Oct 10, 2018
    Last Modified:Nov 21, 2024
    EPS:Oct 10, 2018
    EPSS Score:0.00926
    CVSS Score:9.8

    Affected Products

    Vendor
    Eclipse
    Product
    Vert.x
    Vendor
    Microsoft
    Product
    Windows

    Exploits

    https://github.com/vert-x3/vertx-web/issues/1025https://github.com/vert-x3/vertx-web/issues/1025https://github.com/dawetmaster/CVE-2018-12542-vertx-web-vulnerablehttps://github.com/shoucheng3/vert-x3__vertx-web_CVE-2018-12542_3-5-3-CR1https://github.com/shoucheng3/vert-x3__vertx-web_CVE-2018-12542_3_5_4_fixed

    Related CVEs

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    CVE-2026-15076 (CVSS 8.2) — In versions up to and including 4.5.29 (4.x branch) and 5.1.4 (5.x branch), the WebClientSession component of …
    CVE-2026-6860 (CVSS 6.9) — A TCP client can perform a TLS handshake and present the server name extension with a server name that is acce…
    CVE-2026-1002 (CVSS 6.9) — The Vert.x Web static handler component cache can be manipulated to deny the access to static files served by …
    CVE-2025-11965 (CVSS 6.3) — In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], a StaticHandler configuration for restricting a…
    CVE-2025-11966 (CVSS 2.3) — In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], when "directory listing" is enabled, file and d…
    CVE-2024-8391 (CVSS 6.9) — In Eclipse Vert.x version 4.3.0 to 4.5.9, the gRPC server does not limit the maximum length of message payload…
    CVE-2019-17640 (CVSS 9.8) — In Eclipse Vert.x 3.4.x up to 3.9.4, 4.0.0.milestone1, 4.0.0.milestone2, 4.0.0.milestone3, 4.0.0.milestone4, 4…
    CVE-2018-12541 (CVSS 6.5) — In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full h…
    CVE-2018-12544 (CVSS 9.8) — In version from 3.5.Beta1 to 3.5.3 of Eclipse Vert.x, the OpenAPI XML type validator creates XML parsers witho…

    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