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CVE-2011-4800

Directory traversal vulnerability in Serv-U FTP Server before 11.1.0.5 allows remote...

9.0 HighPublic exploit

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.

Exploit likelihood

6.99%Up 2.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.0

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.

Record
CVE-2011-4800
CVSS 2.0
9.0 HighAV:N/AC:L/Au:S/C:C/I:C/A:C
Weakness
CWE-22
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2011-4800
Updated
2026-11-02
EUVDEUVD-2011-4718 No score

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.

Record
EUVD-2011-4718
Updated
2026-11-03
GitHub AdvisoriesGHSA-m86w-wm5v-fch4 No score

Directory traversal vulnerability in Serv-U FTP Server before 11.1.0.5 allows remote...

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.

Record
GHSA-m86w-wm5v-fch4
Weakness
CWE-22
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBServ-U FTP Server - Jail Break2011-12-01

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-4800 is a high vulnerability (CVSS 9.0) in Solarwinds Serv-u File Server, published December 14, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.99%, the 94th percentile. No source names a fixed version.

References

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