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Fencer Vulns
high 7.5

CVE-2001-0550 in the critical feed json

wu-ftpd 2.6.1 allows remote attackers to execute arbitrary commands via a "~{" argument to commands such as CWD, which is not properly hand…

published 2001-11-30 24 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0542

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
74.1%
EPSS 74.1% chance of exploitation in 30 days, percentile 99.4%
public exploits
2
Exploit-DB

Summary

wu-ftpd 2.6.1 allows remote attackers to execute arbitrary commands via a "~{" argument to commands such as CWD, which is not properly handled by the glob function (ftpglob).

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2001-0550 updated

security flaw

  • Red Hat Linux 6.2 Red Hat Linux 7.0 Red Hat Linux 7.1 Red Hat Linux 7.2
    fixed: vendor fix RHSA-2001:157

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-21161)
  2. Published

Exploit prediction

74.07% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-21161 WU-FTPD 2.6 - File Globbing Heap Corruption remote, 2001-11-27
  • EDB-348 WU-FTPD 2.6.1 - Remote Command Execution remote, 2002-05-14
  • securityfocus.com http://www.securityfocus.com/bid/3581 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.