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ProFTPD 1.2.x, including 1.2.8 and 1.2.10, responds in a...

Moderate severity Unreviewed Published Apr 29, 2022 to the GitHub Advisory Database • Updated Mar 22, 2026

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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.

References

Published by the National Vulnerability Database Oct 15, 2004
Published to the GitHub Advisory Database Apr 29, 2022
Last updated Mar 22, 2026

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(74th percentile)

Weaknesses

Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. Learn more on MITRE.

CVE ID

CVE-2004-1602

GHSA ID

GHSA-9qc2-2rhf-vf42

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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