Drupal has released security updates to addressing critical vulnerabilities in Drupal 7, 8.8 and earlier, 8.9, and 9.0. It is recommended that you take the necessary precautions by ensuring your products are always updated.
For more information on Drupal update you can follow this URL:
https://www.drupal.org/sa-core-2020-013
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
References