CVE-1999-0911

CVE-1999-0911 describes a critical buffer overflow vulnerability affecting ProFTPD, wu-ftpd, and beroftpd. This flaw allows unauthenticated remote attackers to achieve root access by exploiting a series of nested directory creation commands (MKD and CWD). With a CVSS score of 10.0, this vulnerability is highly severe, indicating a network-based attack with low complexity and complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, exploit code is publicly available on ExploitDB, though there is no evidence of widespread active exploitation or significant community discussion.