Improper Input Validation Affecting org.apache.tomcat:tomcat-catalina package, versions [10.0.0-M1,10.0.6) [9.0.0.M1,9.0.46) [8.5.0,8.5.66) [7.0.0,7.0.109)

  • Attack Complexity


Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • snyk-id


  • published

    13 Jul 2021

  • disclosed

    13 Jul 2021

  • credit


How to fix?

Upgrade org.apache.tomcat:tomcat-catalina to version 10.0.6, 9.0.46, 8.5.66, 7.0.109 or higher.


org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations.

Affected versions of this package are vulnerable to Improper Input Validation. Queries made by the JNDI Realm did not always correctly escape parameters. Parameter values could be sourced from user provided data (e.g., user names) as well as configuration data provided by an administrator. In limited circumstances it was possible for users to authenticate using variations of their user name and/or to bypass some of the protection provided by the LockOut Realm.