CVE-2016-4993

CVE-2016-4993 is a CRLF injection vulnerability in the Undertow web server, specifically affecting WildFly 10.0.0 and Red Hat JBoss EAP 7.x before version 7.0.2. This flaw allows remote attackers to inject arbitrary HTTP headers, leading to HTTP response splitting attacks. With a CVSSv3 score of 6.1 (Medium), this vulnerability can be exploited over the network with low attack complexity, requiring user interaction, and potentially impacting confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.