CVE-2011-2523

vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.

• CWE-78

• http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html
• https://access.redhat.com/security/cve/cve-2011-2523Third Party Advisory
• https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
• https://security-tracker.debian.org/tracker/CVE-2011-2523Third Party Advisory
• https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805Third Party Advisory
• https://www.openwall.com/lists/oss-security/2011/07/11/5Mailing List, Third Party Advisory
• http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html
• https://access.redhat.com/security/cve/cve-2011-2523Third Party Advisory
• https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
• https://security-tracker.debian.org/tracker/CVE-2011-2523Third Party Advisory
• https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805Third Party Advisory
• https://www.openwall.com/lists/oss-security/2011/07/11/5Mailing List, Third Party Advisory

Published

Nov 27, 2019

Last Modified

Jun 16, 2026

Status

Modified

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