CVE-2001-1068

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 77.0%
KEV: Not listed

Published

August 31, 2001

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2001-08/0363.html
cve@mitrehttp://www.securityfocus.com/bid/3242
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/7047
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2001-08/0363.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/3242
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/7047

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2001-1068?

CVE-2001-1068 is a none vulnerability published on August 31, 2001. 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.

When was CVE-2001-1068 disclosed?

CVE-2001-1068 was first published in the National Vulnerability Database on August 31, 2001, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2001-1068 actively exploited?

CVE-2001-1068 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-1068?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-1068, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2001-1068

Explore →

Is Your Infrastructure Affected by CVE-2001-1068?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2001-1068

📅 Published

🔄 Last Modified

🔗 References (6)