CVE-2004-1602

5.0

CVSS v2.0 Base Score

30.68%

MEDIUM RiskEPSS (98th percentile)

ProFTPD 1.2.x, including 1.2.8 and 1.2.10, responds in a different amount of time when a given username exists, which allows remote attackers to identify valid usernames by timing the server response.

Published: 10/15/2004

Modified: 6/16/2026

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Vulnerability Summary

CVSS v2 Score

AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Score (Exploitation Probability)

30.68%MEDIUM Exploitation Risk

98th percentile

This vulnerability has a 30.68% probability of being exploited in the next 30 days, ranking higher than 98% of all scored CVEs.

CWE Classification

CWE-203

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