CVE-1999-1171

CVE-1999-1171 describes a local privilege escalation vulnerability affecting Ipswitch WS_FTP and IMail products, including WS_FTP Server versions 1.0.1/1.0.2 and IMail version 5.0. An attacker can gain elevated privileges and modify mail accounts by manipulating the "flags" registry key. This vulnerability has a CVSS score of 4.6 (Medium), indicating a local attack vector with low complexity, leading to partial confidentiality, integrity, and availability impacts. While not listed on the KEV catalog or Hot List, exploit code is publicly available via ExploitDB, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion.