CVE-2011-4800 Path traversal in n/a

Critical 9.0 Published 14 Dec 2011 Updated 16 Sep 2024

Authenticated remote attackers can read, write, and list arbitrary files and directories via path traversal in Serv-U FTP Server.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2011-4800?

CVE-2011-4800 is a critical path traversal vulnerability in n/a, published on 14 Dec 2011. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Directory traversal vulnerability in Serv-U FTP Server before 11.1.0.5 allows remote authenticated users to read and write arbitrary files, and list and create arbitrary directories, via a "..:/" (dot dot colon forward slash) in the (1) list, (2) put, or (3) get commands.

Weakness: CWE-22

Which versions are affected by CVE-2011-4800?

It affects 1 product.

Products include Solarwinds Serv-U File Server.

How do I fix CVE-2011-4800?

No fix has been published for CVE-2011-4800 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2011-4800 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4800 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-m86w-wm5v-fch4.