How severe is CVE-2001-1501?

CVE-2001-1501 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1501 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1501?

CVE-2001-1501 affects Proftpd Project Proftpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1501?

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

When was CVE-2001-1501 published?

CVE-2001-1501 was published on 2001-12-31 and last updated on 2026-06-16.

CVE-2001-1501

CVE-2001-1501 is a medium-severity vulnerability in Proftpd Project Proftpd with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 38% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Proftpd Project Proftpd
Published: 2001-12-31
Last modified: 2026-06-16

Description

The glob functionality in ProFTPD 1.2.1, and possibly other versions allows remote attackers to cause a denial of service (CPU and memory consumption) via commands with large numbers of wildcard and other special characters, as demonstrated using an ls command with multiple (1) "*/..", (2) "*/.*", or (3) ".*./*?/" sequences in the argument.

Frequently asked questions

What is CVE-2001-1501?: The glob functionality in ProFTPD 1.2.1, and possibly other versions allows remote attackers to cause a denial of service (CPU and memory consumption) via commands with large numbers of wildcard and other special characters, as demonstrated using an ls command with multiple (1) "*/..", (2) "*/.*", or (3) ".*./*?/" sequences in the argument.
How severe is CVE-2001-1501?: CVE-2001-1501 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1501 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1501?: CVE-2001-1501 affects Proftpd Project Proftpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1501?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1501 published?: CVE-2001-1501 was published on 2001-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:proftpd_project:proftpd:1.2.1:*:*:*:*:*:*:*

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