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    CVE-2019-6340

    Some field types do not properly sanitize data from non-form sources in Drupal 8.5.x before 8.5.11 and Drupal 8.6.x before 8.6.10. This can lead to arbitrary PHP code execution in some cases. A site is only affected by this if one of the following conditions is met: The site has the Drupal 8 core RESTful Web Services (rest) module enabled and allows PATCH or POST requests, or the site has another web services module enabled, like JSON:API in Drupal 8, or Services or RESTful Web Services in Drupal 7. (Note: The Drupal 7 Services module itself does not require an update at this time, but you should apply other contributed updates associated with this advisory if Services is in use.)

    Published:Feb 21, 2019
    Last Modified:Nov 7, 2025
    EPS:Feb 21, 2019
    EPSS Score:0.94438
    CVSS Score:8.1

    CISA Notification

    Description

    Some field types do not properly sanitize data from non-form sources in Drupal 8.5.x before 8.5.11 and Drupal 8.6.x before 8.6.10. This can lead to arbitrary PHP code execution in some cases. A site is only affected by this if one of the following conditions is met: The site has the Drupal 8 core RESTful Web Services (rest) module enabled and allows PATCH or POST requests, or the site has another web services module enabled, like JSON:API in Drupal 8, or Services or RESTful Web Services in Drupal 7. (Note: The Drupal 7 Services module itself does not require an update at this time, but you should apply other contributed updates associated with this advisory if Services is in use.)

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Apr 15, 2022
    1610 days ago
    Alert Date
    Mar 25, 2022
    1631 days ago

    Affected Products

    Vendor
    Drupal
    Product
    Drupal

    Exploits

    https://www.exploit-db.com/exploits/46459/https://www.exploit-db.com/exploits/46510/https://www.exploit-db.com/exploits/46459/https://www.exploit-db.com/exploits/46510/https://www.exploit-db.com/exploits/46510https://github.com/cved-sources/cve-2019-6340https://github.com/DevDungeon/CVE-2019-6340-Drupal-8.6.9-REST-Auth-Bypasshttps://github.com/g0rx/Drupal-SA-CORE-2019-003https://github.com/jas502n/CVE-2019-6340https://github.com/joaoaugustom/Drupal_REST-RCE_Unauthenticatedhttps://github.com/josehelps/cve-2019-6340-bitshttps://github.com/knqyf263/CVE-2019-6340https://github.com/ludy-dev/drupal8-REST-RCEhttps://github.com/nobodyatall648/CVE-2019-6340https://github.com/oways/CVE-2019-6340https://github.com/Sumitpathania03/Drupal-cve-2019-6340https://www.exploit-db.com/exploits/46452https://www.exploit-db.com/exploits/46459

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

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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