Is CVE-2001-1501 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2001-1501, but active exploitation has not been confirmed.

Can CVE-2001-1501 be exploited remotely?

Yes. CVE-2001-1501 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2001-1501?

CVE-2001-1501 has a CVSS score of 5.0 (MEDIUM).

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MEDIUMPOC

CVE-2001-1501

NVD-CWE-OtherPublished: December 31, 2001· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2001-1501 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2001-1501. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.