CVE-2001-0187

CVE-2001-0187 is a critical-severity vulnerability in Washington University Wu-ftpd with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Format string vulnerability in wu-ftp 2.6.1 and earlier, when running with debug mode enabled, allows remote attackers to execute arbitrary commands via a malformed argument that is recorded in a PASV port assignment.

Frequently asked questions

What is CVE-2001-0187?
Format string vulnerability in wu-ftp 2.6.1 and earlier, when running with debug mode enabled, allows remote attackers to execute arbitrary commands via a malformed argument that is recorded in a PASV port assignment.
How severe is CVE-2001-0187?
CVE-2001-0187 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2001-0187 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0187?
CVE-2001-0187 primarily affects Washington University Wu-ftpd. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0187?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2001-0187 published?
CVE-2001-0187 was published on 2001-03-26 and last updated on 2026-06-16.

References

Affected products (19)

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