Serv-U up to 7.1.0.2 path traversal

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Serv-U. This vulnerability affects unknown code. Performing a manipulation results in path traversal. This vulnerability is reported as CVE-2011-4800. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Serv-U (File Transfer Software). It has been classified as critical. This affects some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed 12/13/2011 (Website). It is possible to read the advisory at serv-u.com. This vulnerability is uniquely identified as CVE-2011-4800 since 12/13/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 7.2.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (18182), OSVDB (77422†) and Secunia (SA47021†). The entries VDB-9554, VDB-10026, VDB-10027 and VDB-12396 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103354
OpenVAS Name: Serv-U FTP Server Jail Break
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Serv-U 7.2.0.0

Timelineinfo

12/01/2011 🔍
12/13/2011 +12 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
03/23/2015 +1196 days 🔍
06/14/2025 +3736 days 🔍

Sourcesinfo

Advisory: serv-u.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4800 (🔍)
GCVE (CVE): GCVE-0-2011-4800
GCVE (VulDB): GCVE-100-59667
Secunia: 47021 - Serv-U FTP Server Directory Traversal Vulnerability, Less Critical
OSVDB: 77422

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 06/14/2025 05:47
Changes: 03/23/2015 16:50 (56), 02/13/2019 10:45 (5), 06/14/2025 05:47 (19)
Complete: 🔍
Cache ID: 216:11D:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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