| Name | CVE-2011-2523 |
| Description | vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| vsftpd (PTS) | jessie | 3.0.2-17+deb8u1 | fixed |
| stretch | 3.0.3-8 | fixed |
| buster, bullseye | 3.0.3-12 | fixed |
| bookworm | 3.0.3-13 | fixed |
| sid, trixie | 3.0.3-13.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| vsftpd | source | (unstable) | (not affected) | | | |
Notes
- vsftpd <not-affected> (backdoored version was never in the Debian archive)