An account on a router, firewall, or other network device has a guessable password.

A configuration in a web browser such as Internet Explorer or Netscape Navigator allows execution of active content such as ActiveX, Java, Javascript, etc.

HP OpenMail can be misconfigured to allow users to run arbitrary commands using malicious print requests.

IRIX cdplayer allows local users to create directories in arbitrary locations via a command line option.

inetd in AIX 4.1.5 dynamically assigns a port N when starting ttdbserver (ToolTalk server), but also inadvertently listens on port N-1 without passing control to ttdbserver, which allows remote attackers to cause a denial of service via a large number of connections to port N-1, which are not properly closed by inetd.

Attackers can cause a denial of service in Ascend MAX and Pipeline routers with a malformed packet to the discard port, which is used by the Java Configurator tool.

ndd in Solaris 2.6 allows local users to cause a denial of service by modifying certain TCP/IP parameters.

ifdhcpc-done script for configuring DHCP on Red Hat Linux 5 allows local users to append text to arbitrary files via a symlink attack on the dhcplog file.

The info2www CGI script allows remote file access or remote command execution.

SunOS rpc.cmsd allows attackers to obtain root access by overwriting arbitrary files.

Linux bdash game has a buffer overflow that allows local users to gain root access.

A Unix account has a default, null, blank, or missing password.

UDP messages to broadcast addresses are allowed, allowing for a Fraggle attack that can cause a denial of service by flooding the target.

The NIS+ rpc.nisd server allows remote attackers to execute certain RPC calls without authentication to obtain system information, disable logging, or modify caches.

Buffer overflows in CDROM Confidence Test program (cdrom) allow local users to gain root privileges.

Quake 2 server 3.13 on Linux does not properly check file permissions for the config.cfg configuration file, which allows local users to read arbitrary files via a symlink from config.cfg to the target file.

sadc in IBM AIX 4.1 through 4.3, when called from programs such as timex that are setgid adm, allows local users to overwrite arbitrary files via a symlink attack.

The WinGate telnet proxy allows remote attackers to cause a denial of service via a large number of connections to localhost.

FreeBSD mmap function allows users to modify append-only or immutable files.

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.