The vulnerability of the struts2-core library in the Apache Struts software platform allows attackers to induce a service failure.

The vulnerability of the struts2-core library of the Apache Struts software platform is related to insufficient validation of input data. Exploiting this vulnerability can allow an attacker to cause service failures using specially crafted XML files...

Denial Of Service (DoS)

Struts-core is vulnerable to denial of service DoS attacks. A malicious user can pass a URL string to the application to overload the URL validation process, preventing other strings from being validated...