MEDIUM SEVERITY

CVE-2001-1501

Proftpd vulnerability

CVSS
5.0
EPSS
38.4%
EPSS pct
98th
Exploited
No known
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.
Affected vendor
Proftpd Project
Affected product
Proftpd
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2001-12-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 38.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2001-1501

  • Confirm whether Proftpd Project Proftpd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2001-1501.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-1501

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-1501 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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