Is CVE-2001-1013 in the CISA KEV catalog?

No. CVE-2001-1013 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2001-1013?

CVE-2001-1013 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2001-1013?

CVE-2001-1013 has an EPSS score of 65.56% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2001-1013

MEDIUMEPSS 99th pctl

5.0

CVSS v2

NVD

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.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

65.56%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0083.html
http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0087.html
http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0094.html
http://www.securityfocus.com/archive/1/213667
http://www.securityfocus.com/bid/3335
https://exchange.xforce.ibmcloud.com/vulnerabilities/7129

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.