The Apache Software Foundation has released the security bulletins to address the vulnerability in Apache Struts. A remote attacker could exploit the vulnerability by sending a specially crafted request to the affected systems.
Successful exploitation of the vulnerability could lead to denial of service on an affected system.
Administrators of the affected systems should upgrade the Apache Struts to current versions 2.5.32, 6.1.2.2 or 6.3.0.1 to address the issue. The updates are available at:
https://struts.apache.org/download.cgi