How severe is CVE-2001-1013?

CVE-2001-1013 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1013 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 66% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1013?

CVE-2001-1013 affects Redhat Linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1013?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2001-1013 published?

CVE-2001-1013 was published on 2001-09-12 and last updated on 2026-06-16.

CVE-2001-1013

CVE-2001-1013 is a medium-severity vulnerability in Redhat Linux with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 66% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 66% (99th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Redhat Linux
Published: 2001-09-12
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2001-1013?: 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.
How severe is CVE-2001-1013?: CVE-2001-1013 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1013 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 66% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1013?: CVE-2001-1013 affects Redhat Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1013?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1013 published?: CVE-2001-1013 was published on 2001-09-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:redhat:linux:7.0:*:*:*:*:*:*:*

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