CVE-1999-1436

CVE-1999-1436 describes a command injection vulnerability in the Ray Chan WWW Authorization Gateway 0.1 CGI program. This flaw allows unauthenticated remote attackers to execute arbitrary commands on the server by injecting shell metacharacters into the "user" parameter. With a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, leading to potential compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, an exploit is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.