CVE-2011-2523
vsftpd 2.3.4 - Backdoor Command Execution
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
15
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
vsftpd versión 2.3.4 descargado entre 20110630 y 20110703, contiene una puerta trasera (backdoor) que abre un shell en el puerto 6200/tcp.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2011-06-15 CVE Reserved
- 2011-07-05 First Exploit
- 2019-11-27 CVE Published
- 2024-08-06 CVE Updated
- 2024-11-20 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
References (20)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html | X_refsource_misc |
|
| https://access.redhat.com/security/cve/cve-2011-2523 | Third Party Advisory | |
| https://security-tracker.debian.org/tracker/CVE-2011-2523 | Third Party Advisory | |
| https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805 | Third Party Advisory | |
| https://www.openwall.com/lists/oss-security/2011/07/11/5 | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/49757 | 2021-04-12 | |
| https://www.exploit-db.com/exploits/17491 | 2011-07-05 | |
| https://github.com/padsalatushal/CVE-2011-2523 | 2023-01-08 | |
| https://github.com/Lynk4/CVE-2011-2523 | 2023-05-09 | |
| https://github.com/cowsecurity/CVE-2011-2523 | 2023-02-05 | |
| https://github.com/4m3rr0r/CVE-2011-2523-poc | 2023-11-28 | |
| https://github.com/nobodyatall648/CVE-2011-2523 | 2021-06-25 | |
| https://github.com/MFernstrom/OffensivePascal-CVE-2011-2523 | 2022-05-28 | |
| https://github.com/0xSojalSec/-CVE-2011-2523 | 2022-06-09 | |
| https://github.com/0xSojalSec/CVE-2011-2523 | 2022-06-09 | |
| https://github.com/Gr4ykt/CVE-2011-2523 | 2021-08-31 | |
| https://github.com/vaishnavucv/CVE-2011-2523 | 2023-10-16 | |
| https://github.com/XiangSi-Howard/CTF---CVE-2011-2523 | 2022-12-04 | |
| https://github.com/Shubham-2k1/Exploit-CVE-2011-2523 | 2024-03-05 | |
| https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html | 2024-08-06 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Vsftpd Project Search vendor "Vsftpd Project" | Vsftpd Search vendor "Vsftpd Project" for product "Vsftpd" | 2.3.4 Search vendor "Vsftpd Project" for product "Vsftpd" and version "2.3.4" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||