# CVE-2001-1068

## Summary

- **CVE ID:** CVE-2001-1068
- **Severity:** UNKNOWN
- **CVSS Score:** 0.06
- **CWE:** N/A
- **Published:** Feb 2, 2002
- **Last Modified:** Mar 16, 2026

## Description

qpopper 4.01 with PAM based authentication on Red Hat systems generates different error messages when an invalid username is provided instead of a valid name, which allows remote attackers to determine valid usernames on the system.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.securityfocus.com/bid/3242)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/7047)
- [CNA](http://archives.neohapsis.com/archives/bugtraq/2001-08/0363.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.23%
- **EPSS Percentile:** 78.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._