Qpopper 2.53 and earlier allows local users to gain privileges via a formatting string in the From: header, which is processed by the euidl command.
Cobalt RaQ2 and RaQ3 does not properly set the access permissions and ownership for files that are uploaded via FrontPage, which allows attackers to bypass cgiwrap and modify files.
The siteUserMod.cgi program in Cobalt RaQ2 servers allows any Site Administrator to modify passwords for other users, site administrators, and possibly admin (root).
service.cgi in Cobalt RAQ 4 allows remote attackers to cause a denial of service, and possibly execute arbitrary code, via a long service argument.
Cross-site scripting vulnerability in Cobalt RAQ 4 allows remote attackers to execute arbitrary script as other Cobalt users via Javascript in a URL to (1) service.cgi or (2) alert.cgi.