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Fencer Vulns
critical 10.0

CVE-2001-0247 in the critical feed json

Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} s…

published 2001-05-24 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0247

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
19.3%
EPSS 19.3% chance of exploitation in 30 days, percentile 97%
public exploits
3
Exploit-DB

Summary

Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} sequence, as seen in (1) g_opendir, (2) g_lstat, (3) g_stat, and (4) the glob0 buffer as used in the glob functions glob2 and glob3.

Patch / fix

Timeline

  1. First public exploit (EDB-20731)
  2. Published

Exploit prediction

19.32% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20733 OpenBSD 2.x < 2.8 FTPd - 'glob()' Remote Buffer Overflow remote, 2001-04-16
  • EDB-20732 FreeBSD 4.2-stable - FTPd 'glob()' Remote Buffer Overflow remote, 2001-04-16
  • EDB-20731 FreeBSD 2.2-4.2 / NetBSD 1.2-4.5 / OpenBSD 2.x - FTPd 'glob()' Remote Buffer Overflow remote, 2001-04-14
  • securityfocus.com http://www.securityfocus.com/bid/2548 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.