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    CVE-2020-25205

    The web console for Mimosa B5, B5c, and C5x firmware through 2.8.0.2 is vulnerable to stored XSS in the set_banner() function of /var/www/core/controller/index.php. An unauthenticated attacker may set the contents of the /mnt/jffs2/banner.txt file, stored on the device's filesystem, to contain arbitrary JavaScript. The file contents are then used as part of a welcome/banner message presented to unauthenticated users who visit the login page for the web console. This vulnerability does not occur in the older 1.5.x firmware versions.

    Published:Jul 20, 2021
    Last Modified:Nov 21, 2024
    EPS:Jul 20, 2021
    EPSS Score:0.00948
    CVSS Score:6.1

    Affected Products

    Vendor
    Mimosa
    Product
    B5
    Vendor
    Mimosa
    Product
    B5 Firmware
    Vendor
    Mimosa
    Product
    B5c
    Vendor
    Mimosa
    Product
    B5c Firmware
    Vendor
    Mimosa
    Product
    C5c
    Vendor
    Mimosa
    Product
    C5c Firmware

    Exploits

    https://labs.f-secure.com/advisories/mimosa-ptp-devices-multiple-vulnerabilities/https://labs.f-secure.com/advisories/mimosa-ptp-devices-multiple-vulnerabilities/

    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