CVE-2002-0770 : Detail

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

source: https://www.securityfocus.com/bid/4744/info Quake II is a multiplayer game released by id Software. The source code has been made publically available, and versions are available for Windows and Linux. A vulnerability has been reported in some versions of the Quake II server. While variable expansion is normally performed on the client side, a modified client may pass unexpanded variables such as $rcon_password to the server. The server will expand these variables within it's local context, potentially leaking sensitive information to the remote attacker. you must modify your q2 client, that the client will not replace the $... variables in says quick hack: in qcommon/cmd.c change the line Cmd_TokenizeString (text, true); to Cmd_TokenizeString( text, false);