CVE-2001-1068
qpopper 4.01 with PAM based authentication on Red Hat systems generates different error messages...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2001-1068- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-1068- Updated
- 2026-11-02
EUVDEUVD-2001-1049 No score
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.
- Record
EUVD-2001-1049- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-whxm-qmcm-hrj6 No score
qpopper 4.01 with PAM based authentication on Red Hat systems generates different error messages...
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.
- Record
GHSA-whxm-qmcm-hrj6- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1068 is a medium vulnerability (CVSS 5.0) in Qualcomm Qpopper, published August 31, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 65th percentile. No source names a fixed version.