Severity: Low
Invicti identified a version disclosure (Undertow Web Server) in the target web server's HTTP response. Undertow is a flexible performant web server written in java, providing both blocking and non-blocking API's based on NIO.
This information can help an attacker gain a greater understanding of the systems in use and potentially develop further attacks targeted at the specific version of Undertow Web Server.
X-Powered-By
header of its HTTP response.