CVE-2011-2523 Information

Description

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

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://access.redhat.com/security/cve/cve-2011-2523 https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html https://security-tracker.debian.org/tracker/CVE-2011-2523 https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805 https://www.openwall.com/lists/oss-security/2011/07/11/5

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8