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    CVE-2020-15679

    An OAuth session fixation vulnerability existed in the VPN login flow, where an attacker could craft a custom login URL, convince a VPN user to login via that URL, and obtain authenticated access as that user. This issue is limited to cases where attacker and victim are sharing the same source IP and could allow the ability to view session states and disconnect VPN sessions. This vulnerability affects Mozilla VPN iOS 1.0.7 < (929), Mozilla VPN Windows < 1.2.2, and Mozilla VPN Android 1.1.0 < (1360).

    Published:Dec 22, 2022
    Last Modified:Apr 16, 2025
    EPS:Dec 22, 2022
    EPSS Score:0.00316
    CVSS Score:7.6

    Affected Products

    Vendor
    Mozilla
    Product
    Vpn

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-384 Session Fixation

    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