Vulnerability in union file system in FreeBSD 2.2 and earlier, and possibly other operating systems, allows local users to cause a denial of service (system reload) via a series of certain mount_union commands.

Delete or create a file via rpc.statd, due to invalid information.

pcnfsd (aka rpc.pcnfsd) allows local users to change file permissions, or execute arbitrary commands through arguments in the RPC call.

dxconsole in DEC OSF/1 3.2C and earlier allows local users to read arbitrary files by specifying the file with the -file parameter.

test-cgi program allows an attacker to list files on the server.

Java Bytecode Verifier allows malicious applets to execute arbitrary commands as the user of the applet.

phf CGI program allows remote command execution through shell metacharacters.

The Java Applet Security Manager implementation in Netscape Navigator 2.0 and Java Developer's Kit 1.0 allows an applet to connect to arbitrary hosts.

IIS 1.0 allows users to execute arbitrary commands using .bat or .cmd files.

Kerberos 4 key servers allow a user to masquerade as another by breaking and generating session keys.

Echo and chargen, or other combinations of UDP services, can be used in tandem to flood the server, a.k.a. UDP bomb or UDP packet storm.

abuse.console in Red Hat 2.1 uses relative pathnames to find and execute the undrv program, which allows local users to execute arbitrary commands via a path that points to a Trojan horse program.

Vulnerability in object server program in SGI IRIX 5.2 through 6.1 allows remote attackers to gain root privileges in certain configurations.

rxvt, when compiled with the PRINT_PIPE option in various Linux operating systems including Linux Slackware 3.0 and RedHat 2.1, allows local users to gain root privileges by specifying a malicious program using the -print-pipe command line parameter.

rpc.ypupdated (NIS) allows remote users to execute arbitrary commands.

Race condition in Linux mailx command allows local users to read user files.

Buffer overflow in Linux splitvt command gives root access to local users.

vhe_u_mnt program in HP-UX allows local users to create root files through symlinks.

Certain configurations of wu-ftp FTP server 2.4 use a _PATH_EXECPATH setting to a directory with dangerous commands, such as /bin, which allows remote authenticated users to gain root access via the "site exec" command.

Guessable magic cookies in X Windows allows remote attackers to execute commands, e.g. through xterm.