CVE-2002-2417

acFTP 1.4 does not properly handle when an invalid password is provided by the user during authentication, which allows remote attackers to hide or misrepresent certain activity from log files and possibly gain privileges.

CVE-2006-2242

acFTP 1.4 allows remote attackers to cause a denial of service (application crash) via a long string with "{" (brace) characters to the USER command.

CVE-2006-6775

acFTP 1.5 allows remote authenticated users to cause a denial of service via a crafted argument to the (1) REST or (2) PBSZ command.