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CVE-2011-2523

Publication date 27 November 2019

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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

Read the notes from the security team

Status

Package Ubuntu Release Status
vsftpd 11.10 oneiric
Not affected
11.04 natty
Not affected
10.10 maverick
Not affected
10.04 LTS lucid
Not affected
8.04 LTS hardy
Not affected

Notes

jdstrand

only 2.3.4 affected

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H