VIR Vulnerability Intelligence Relay

CVE-2011-4800

critical
Published 2011-12-14 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
10.0

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.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-18182 remote windows verified
kingcope · 2011-12-01

Serv-U FTP Server - Jail Break

Source code queued for fetch — refresh in a moment.

Application impact
VendorProductVersionsFixed
solarwindsserv-u_file_server{"endIncluding":"11.1.0.3"}
solarwindsserv-u_file_server3.0.0.16
solarwindsserv-u_file_server3.0.0.17
solarwindsserv-u_file_server3.1.0.0
solarwindsserv-u_file_server3.1.0.1
solarwindsserv-u_file_server3.1.0.3
solarwindsserv-u_file_server4.0.0.4
solarwindsserv-u_file_server4.1.0.0
solarwindsserv-u_file_server4.1.0.3
solarwindsserv-u_file_server5.0.0.0
solarwindsserv-u_file_server5.0.0.4
solarwindsserv-u_file_server5.0.0.9
solarwindsserv-u_file_server5.0.0.11
solarwindsserv-u_file_server5.1.0.0
solarwindsserv-u_file_server5.2.0.0
solarwindsserv-u_file_server5.2.0.1
solarwindsserv-u_file_server6.0.0.0
solarwindsserv-u_file_server6.0.0.1
solarwindsserv-u_file_server6.0.0.2
solarwindsserv-u_file_server6.1.0.0
solarwindsserv-u_file_server6.1.0.1
solarwindsserv-u_file_server6.1.0.4
solarwindsserv-u_file_server6.1.0.5
solarwindsserv-u_file_server6.2.0.0
solarwindsserv-u_file_server6.2.0.1
solarwindsserv-u_file_server6.3.0.0
solarwindsserv-u_file_server6.3.0.1
solarwindsserv-u_file_server6.4.0.0
solarwindsserv-u_file_server6.4.0.1
solarwindsserv-u_file_server6.4.0.2
solarwindsserv-u_file_server6.4.0.3
solarwindsserv-u_file_server6.4.0.4
solarwindsserv-u_file_server6.4.0.5
solarwindsserv-u_file_server6.4.0.6
solarwindsserv-u_file_server7.0.0.1
solarwindsserv-u_file_server7.0.0.2
solarwindsserv-u_file_server7.0.0.3
solarwindsserv-u_file_server7.0.0.4
solarwindsserv-u_file_server7.1.0.0
solarwindsserv-u_file_server7.1.0.1
solarwindsserv-u_file_server7.1.0.2
solarwindsserv-u_file_server7.2.0.0
solarwindsserv-u_file_server7.2.0.1
solarwindsserv-u_file_server7.3.0.0
solarwindsserv-u_file_server7.3.0.1
solarwindsserv-u_file_server7.3.0.2
solarwindsserv-u_file_server7.4.0.0
solarwindsserv-u_file_server7.4.0.1
solarwindsserv-u_file_server8.0.0.1
solarwindsserv-u_file_server8.0.0.2
solarwindsserv-u_file_server8.0.0.4
solarwindsserv-u_file_server8.0.0.5
solarwindsserv-u_file_server8.0.0.7
solarwindsserv-u_file_server8.1.0.1
solarwindsserv-u_file_server8.1.0.3
solarwindsserv-u_file_server8.2.0.0
solarwindsserv-u_file_server8.2.0.1
solarwindsserv-u_file_server8.2.0.3
solarwindsserv-u_file_server9.0.0.1
solarwindsserv-u_file_server9.0.0.3
solarwindsserv-u_file_server9.0.0.5
solarwindsserv-u_file_server9.1.0.0
solarwindsserv-u_file_server9.1.0.2
solarwindsserv-u_file_server9.2.0.1
solarwindsserv-u_file_server9.3.0.1
solarwindsserv-u_file_server9.4.0.0
solarwindsserv-u_file_server9.4.0.2
solarwindsserv-u_file_server10.0.0.2
solarwindsserv-u_file_server10.0.0.3
solarwindsserv-u_file_server10.0.0.5
solarwindsserv-u_file_server10.0.0.7
solarwindsserv-u_file_server10.1.0.0
solarwindsserv-u_file_server10.1.0.1
solarwindsserv-u_file_server10.2.0.0
solarwindsserv-u_file_server10.2.0.2
solarwindsserv-u_file_server10.3.0.1
solarwindsserv-u_file_server10.4.0.0
solarwindsserv-u_file_server10.5.0.4
solarwindsserv-u_file_server10.5.0.6
solarwindsserv-u_file_server10.5.0.11
solarwindsserv-u_file_server10.5.0.14
solarwindsserv-u_file_server10.5.0.16
solarwindsserv-u_file_server10.5.0.19
solarwindsserv-u_file_server10.5.0.21
solarwindsserv-u_file_server10.5.0.24
solarwindsserv-u_file_server11.0.0.0
solarwindsserv-u_file_server11.0.0.2
solarwindsserv-u_file_server11.0.0.4
solarwindsserv-u_file_server11.1.0.5

References

CWEs

CWE-22

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.