Skip to content
Fencer Intel
medium 4.0

CVE-2011-0762 json

The vsf_filename_passes_filter function in ls.c in vsftpd before 2.3.3 allows remote authenticated users to cause a denial of service (CPU…

published 2011-03-02 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0774

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
73.9%
EPSS 73.9% chance of exploitation in 30 days, percentile 99.4%
public exploits
2
Metasploit, Exploit-DB, plus a Nuclei check

Summary

The vsf_filename_passes_filter function in ls.c in vsftpd before 2.3.3 allows remote authenticated users to cause a denial of service (CPU consumption and process slot exhaustion) via crafted glob expressions in STAT commands in multiple FTP sessions, a different vulnerability than CVE-2010-2632.

Patch / fix

  • vsftpd_project vsftpd 2.3.3
  • vsftpd Debian 14, Debian 13, Debian 12 2.3.4-1

debian advisories DEBIAN-CVE-2011-0762

  • vsftpd RHEL 4 2.0.1-9.el4
  • vsftpd RHEL 5 2.0.5-16.el5_6.1
  • vsftpd RHEL 6 2.2.2-6.el6_0.1

red hat advisories RHSA-2011:0337

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-2011-0762 updated cvss 5.0

vsftpd: remote DoS via crafted glob pattern

  • Red Hat Enterprise Linux (v. 5.6.z server) vsftpd 2.0.5-16.el5_6.1 Red Hat Enterprise Linux AS version 4 vsftpd 2.0.1-9.el4 Red Hat Enterprise Linux ES version 4 vsftpd 2.0.1-9.el4 Red Hat Enterprise Linux Server (v. 6) vsftpd 2.2.2-6.el6_0.1 Red Hat Enterprise Linux Workstation (v. 6) vsftpd 2.2.2-6.el6_0.1
    fixed: vendor fix RHSA-2011:0337

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 (Metasploit auxiliary/dos/ftp/vsftpd_232)
  2. Published

Exploit prediction

73.95% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel 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.