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    CVE-2025-25198

    mailcow: dockerized is an open source groupware/email suite based on docker. Prior to version 2025-01a, a vulnerability in mailcow's password reset functionality allows an attacker to manipulate the `Host HTTP` header to generate a password reset link pointing to an attacker-controlled domain. This can lead to account takeover if a user clicks the poisoned link. Version 2025-01a contains a patch. As a workaround, deactivate the password reset functionality by clearing `Notification email sender` and `Notification email subject` under System -> Configuration -> Options -> Password Settings.

    Published:Feb 12, 2025
    Last Modified:Oct 1, 2025
    EPS:Feb 12, 2025
    EPSS Score:0.0005
    CVSS Score:7.1

    Affected Products

    Vendor
    Mailcow
    Product
    Mailcow\
    Vendor
    Mailcow
    Product
    Mailcow Dockerized

    Exploits

    https://www.exploit-db.com/exploits/52485https://github.com/enzocipher/CVE-2025-25198https://github.com/enzocipher/CVE-2025-25198-PoChttps://github.com/Groppoxx/CVE-2025-25198-PoC

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

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    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