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    CVE-2020-25032

    An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access private resources because resource matching does not ensure that pathnames are in a canonical format.

    Published:Aug 31, 2020
    Last Modified:Nov 21, 2024
    EPS:Aug 31, 2020
    EPSS Score:0.0096
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Flask-cors Project
    Product
    Flask-cors
    Vendor
    Opensuse
    Product
    Backports Sle
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00028.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00032.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00048.html
    https://github.com/corydolphin/flask-cors/releases/tag/3.0.9
    https://www.debian.org/security/2020/dsa-4775
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00028.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00032.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00048.html
    https://github.com/corydolphin/flask-cors/releases/tag/3.0.9
    https://www.debian.org/security/2020/dsa-4775

    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