CVE-2001-1013
Description
Apache on Red Hat Linux with with the UserDir directive enabled generates different error codes when a username exists and there is no public_html directory and when the username does not exist, which could allow remote attackers to determine valid usernames on the server.
Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
- Score
- 0.65563 (65.6% probability)
- Percentile
- 99.3%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
References
Links listed in the CVE record. They lead to other sites, which CubePath does not control.
- 3335 (securityfocus.com)vdb-entry
- 20010912 Is there user Anna at your host ? (securityfocus.com)mailing-list
- 20000707 Re: your mail (archives.neohapsis.com)mailing-list
- 20000707 (no subject) (archives.neohapsis.com)mailing-list
- linux-apache-username-exists(7129) (exchange.xforce.ibmcloud.com)vdb-entry
- 20000707 Re: apache and 404/404 status codes (archives.neohapsis.com)mailing-list
Timeline
- ID reserved
- Record published
- Record last updated
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About CubePath
CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:45 UTC. Sources and licenses