Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-jhgz-qc5e-3ugy
Summaryvsftpd: backdoor which opens a shell on port 6200/tcp
Aliases
0
alias CVE-2011-2523
Fixed_packages
0
url pkg:deb/debian/vsftpd@0?distro=trixie
purl pkg:deb/debian/vsftpd@0?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@0%3Fdistro=trixie
1
url pkg:deb/debian/vsftpd@3.0.3-12?distro=trixie
purl pkg:deb/debian/vsftpd@3.0.3-12?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-u8aq-2qhu-gff5
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.3-12%3Fdistro=trixie
2
url pkg:deb/debian/vsftpd@3.0.3-13?distro=trixie
purl pkg:deb/debian/vsftpd@3.0.3-13?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-u8aq-2qhu-gff5
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.3-13%3Fdistro=trixie
3
url pkg:deb/debian/vsftpd@3.0.5-0.2?distro=trixie
purl pkg:deb/debian/vsftpd@3.0.5-0.2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.5-0.2%3Fdistro=trixie
4
url pkg:deb/debian/vsftpd@3.0.5-0.5?distro=trixie
purl pkg:deb/debian/vsftpd@3.0.5-0.5?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.5-0.5%3Fdistro=trixie
Affected_packages
References
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-2523.json
reference_id
reference_type
scores
0
value 8.1
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-2523.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2011-2523
reference_id
reference_type
scores
0
value 0.94265
scoring_system epss
scoring_elements 0.99935
published_at 2026-04-01T12:55:00Z
1
value 0.94265
scoring_system epss
scoring_elements 0.99936
published_at 2026-04-21T12:55:00Z
2
value 0.94265
scoring_system epss
scoring_elements 0.99937
published_at 2026-04-18T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2011-2523
2
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1778781
reference_id 1778781
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1778781
3
reference_url https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/unix/remote/49757.py
reference_id CVE-2011-2523
reference_type exploit
scores
url https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/unix/remote/49757.py
4
reference_url https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/unix/remote/17491.rb
reference_id OSVDB-73573;CVE-2011-2523
reference_type exploit
scores
url https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/unix/remote/17491.rb
Weaknesses
0
cwe_id 78
name Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
description The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Exploits
0
date_added null
description
This module exploits a malicious backdoor that was added to the VSFTPD download
          archive. This backdoor was introduced into the vsftpd-2.3.4.tar.gz archive between
          June 30th 2011 and July 1st 2011 according to the most recent information
          available. This backdoor was removed on July 3rd 2011.
required_action null
due_date null
notes
Reliability:
  - unknown-reliability
Stability:
  - unknown-stability
SideEffects:
  - unknown-side-effects
known_ransomware_campaign_use false
source_date_published 2011-07-03
exploit_type null
platform Linux,Unix
source_date_updated null
data_source Metasploit
source_url https://github.com/rapid7/metasploit-framework/tree/master/modules/exploits/unix/ftp/vsftpd_234_backdoor.rb
1
date_added 2011-07-05
description vsftpd 2.3.4 - Backdoor Command Execution (Metasploit)
required_action null
due_date null
notes null
known_ransomware_campaign_use true
source_date_published 2011-07-05
exploit_type remote
platform unix
source_date_updated 2021-04-12
data_source Exploit-DB
source_url
Severity_range_score8.1 - 8.1
Exploitabilitynull
Weighted_severitynull
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-jhgz-qc5e-3ugy