Permissions, Privileges, and Access Controls
The Node access user reference module 6.x-3.x before 6.x-3.5 and 7.x-3.x before 7.x-3.10 for Drupal does not properly restrict access to content containing a user reference field when the author update/delete grants are enabled and the author's user account is deleted, which allows remote attackers to modify the content via unspecified vectors.
CWE-264 - Permissions Privileges and Access Controls
CWE 264 (permissions, privileges, and access controls) is not a weakness in and of itself, rather it is a category of weaknesses related to the management of permissions, privileges, and other security features used to perform access control. If not addressed, the weaknesses in this category allow attackers to gain privileges for an unintended sphere of control, access sensitive information, and execute arbitrary commands.