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    CVE-2021-40347

    An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.

    Published:Sep 10, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 10, 2021
    EPSS Score:0.00213
    CVSS Score:5.4

    Affected Products

    Vendor
    Postorius Project
    Product
    Postorius

    Exploits

    https://gitlab.com/mailman/postorius/-/issues/531https://phabricator.wikimedia.org/T289798https://gitlab.com/mailman/postorius/-/issues/531https://phabricator.wikimedia.org/T289798

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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