CVE-2011-4800

Exp

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.

Published: 2011-12-14 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4800 is rated High Exploit Risk (78.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.25%). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-4800

EDB-ID Source Kind Published Link
18182 exploit_db edb 2011-12-01 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-4800

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-02 1.61% 1.25% -0.35%
2 2026-01-18 1.49% 1.61% +0.12%
3 2025-11-10 — 1.49% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4800

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 10.0 [email protected]

Weakness enumeration for CVE-2011-4800

Affected software / configurations for CVE-2011-4800

Vendor Product Version Raw CPE
solarwinds serv-u_file_server <= 11.1.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:*:*:*:*:*:*:*:*
solarwinds serv-u_file_server 3.0.0.16 cpe:2.3:a:solarwinds:serv-u_file_server:3.0.0.16:*:*:*:*:*:*:*
solarwinds serv-u_file_server 3.0.0.17 cpe:2.3:a:solarwinds:serv-u_file_server:3.0.0.17:*:*:*:*:*:*:*
solarwinds serv-u_file_server 3.1.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:3.1.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 3.1.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:3.1.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 3.1.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:3.1.0.3:*:*:*:*:*:*:*
solarwinds serv-u_file_server 4.0.0.4 cpe:2.3:a:solarwinds:serv-u_file_server:4.0.0.4:*:*:*:*:*:*:*
solarwinds serv-u_file_server 4.1.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:4.1.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 4.1.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:4.1.0.3:*:*:*:*:*:*:*
solarwinds serv-u_file_server 5.0.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:5.0.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 5.0.0.4 cpe:2.3:a:solarwinds:serv-u_file_server:5.0.0.4:*:*:*:*:*:*:*
solarwinds serv-u_file_server 5.0.0.9 cpe:2.3:a:solarwinds:serv-u_file_server:5.0.0.9:*:*:*:*:*:*:*
solarwinds serv-u_file_server 5.0.0.11 cpe:2.3:a:solarwinds:serv-u_file_server:5.0.0.11:*:*:*:*:*:*:*
solarwinds serv-u_file_server 5.1.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:5.1.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 5.2.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:5.2.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 5.2.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:5.2.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.0.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:6.0.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.0.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:6.0.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.0.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:6.0.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.1.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:6.1.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.1.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:6.1.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.1.0.4 cpe:2.3:a:solarwinds:serv-u_file_server:6.1.0.4:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.1.0.5 cpe:2.3:a:solarwinds:serv-u_file_server:6.1.0.5:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.2.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:6.2.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.2.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:6.2.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.3.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:6.3.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.3.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:6.3.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.4.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:6.4.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.4.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:6.4.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.4.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:6.4.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.4.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:6.4.0.3:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.4.0.4 cpe:2.3:a:solarwinds:serv-u_file_server:6.4.0.4:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.4.0.5 cpe:2.3:a:solarwinds:serv-u_file_server:6.4.0.5:*:*:*:*:*:*:*
solarwinds serv-u_file_server 6.4.0.6 cpe:2.3:a:solarwinds:serv-u_file_server:6.4.0.6:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.0.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:7.0.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.0.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:7.0.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.0.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:7.0.0.3:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.0.0.4 cpe:2.3:a:solarwinds:serv-u_file_server:7.0.0.4:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.1.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:7.1.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.1.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:7.1.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.1.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:7.1.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.2.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:7.2.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.2.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:7.2.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.3.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:7.3.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.3.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:7.3.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.3.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:7.3.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.4.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:7.4.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 7.4.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:7.4.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.0.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:8.0.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.0.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:8.0.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.0.0.4 cpe:2.3:a:solarwinds:serv-u_file_server:8.0.0.4:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.0.0.5 cpe:2.3:a:solarwinds:serv-u_file_server:8.0.0.5:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.0.0.7 cpe:2.3:a:solarwinds:serv-u_file_server:8.0.0.7:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.1.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:8.1.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.1.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:8.1.0.3:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.2.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:8.2.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.2.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:8.2.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 8.2.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:8.2.0.3:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.0.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:9.0.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.0.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:9.0.0.3:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.0.0.5 cpe:2.3:a:solarwinds:serv-u_file_server:9.0.0.5:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.1.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:9.1.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.1.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:9.1.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.2.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:9.2.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.3.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:9.3.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.4.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:9.4.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 9.4.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:9.4.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.0.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:10.0.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.0.0.3 cpe:2.3:a:solarwinds:serv-u_file_server:10.0.0.3:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.0.0.5 cpe:2.3:a:solarwinds:serv-u_file_server:10.0.0.5:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.0.0.7 cpe:2.3:a:solarwinds:serv-u_file_server:10.0.0.7:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.1.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:10.1.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.1.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:10.1.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.2.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:10.2.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.2.0.2 cpe:2.3:a:solarwinds:serv-u_file_server:10.2.0.2:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.3.0.1 cpe:2.3:a:solarwinds:serv-u_file_server:10.3.0.1:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.4.0.0 cpe:2.3:a:solarwinds:serv-u_file_server:10.4.0.0:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.5.0.4 cpe:2.3:a:solarwinds:serv-u_file_server:10.5.0.4:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.5.0.6 cpe:2.3:a:solarwinds:serv-u_file_server:10.5.0.6:*:*:*:*:*:*:*
solarwinds serv-u_file_server 10.5.0.11 cpe:2.3:a:solarwinds:serv-u_file_server:10.5.0.11:*:*:*:*:*:*:*

References for CVE-2011-4800

cvelogic Threat Intelligence