Cross-site request forgery (CSRF) vulnerability in the Shibboleth Authentication module before 6.x-4.1 and 7.x-4.x before 7.x-4.1 for Drupal allows remote attackers to hijack the authentication of administrators for requests that delete user role matching rules via unspecified vectors.
Cross-Site Request Forgery The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.