CVE-2011-2523
Vsftpd Backdoor Shell Access
Description
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
INFO
Published Date :
Nov. 27, 2019, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 1:28 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2011-2523 has a 99 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2011-2523.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Write up of retired HackTheBox machine called Lame.
A cross-platform Python vulnerability scanner that detects open ports, weak credentials, and CVEs using banner matching. Fast, extensible, and beginner-friendly.
Python
None
None
Vulnerability Assessment Report: Metasploitable2 (IP:192.168.0.126)
Exploit hecho en python para vsftpd 2.3.4 | CVE-2011-2523
Python
None
None
Assessing the vulnerabilities of METASPLOITABLE (192.168.0.29) and if exploitable can the vulnerabilties be used.
None
None
Ready to Automate Penetration Testing with AI? Clone & Start Hacking (Ethically)!
Python
None
This project aims to effectively tackle real world incident using Nmap
Resources for scanning and enumerating common services
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2011-2523 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2011-2523 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html Added Reference https://access.redhat.com/security/cve/cve-2011-2523 Added Reference https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html Added Reference https://security-tracker.debian.org/tracker/CVE-2011-2523 Added Reference https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805 Added Reference https://www.openwall.com/lists/oss-security/2011/07/11/5 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 12, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html [No Types Assigned] -
CPE Deprecation Remap by [email protected]
Aug. 18, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Dec. 16, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://access.redhat.com/security/cve/cve-2011-2523 No Types Assigned https://access.redhat.com/security/cve/cve-2011-2523 Third Party Advisory Changed Reference Type https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html No Types Assigned https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://security-tracker.debian.org/tracker/CVE-2011-2523 No Types Assigned https://security-tracker.debian.org/tracker/CVE-2011-2523 Third Party Advisory Changed Reference Type https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805 No Types Assigned https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805 Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2011/07/11/5 No Types Assigned https://www.openwall.com/lists/oss-security/2011/07/11/5 Mailing List, Third Party Advisory Added CWE NIST CWE-78 Added CPE Configuration OR *cpe:2.3:a:vsftpd_project:vsftpd:2.3.4:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2011-2523 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2011-2523
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
94.26 }} 54.77%
score
0.99924
percentile