6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.967 High
EPSS
Percentile
99.7%
This module enables you to expose an API to third party systems using REST, XML-RPC or other protocols.
The module doesn’t sufficiently verify writing requests (POST, PUT, DELETE) with session cookie authentication, thereby exposing a Cross Site Request Forgery vulnerability.
This vulnerability is mitigated by the fact that session based authentication must be enabled for an endpoint.
Drupal core is not affected. If you do not use the contributed Services module, there is nothing you need to do.
Install the latest version or uninstall the module.
Note that Services clients using session authentication now should supply a special X-CSRF-Token header with a token that can be retrieved from <http://example.com/services/session/token>. This is needed for writing HTTP methods calls (POST, PUT, DELETE).
Also see the Services project page.