Serv-U up to 5.0.0.11 Administrator Account credentials management

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Serv-U up to 5.0.0.11. It has been rated as critical. The impacted element is an unknown function of the component Administrator Account. Performing a manipulation results in credentials management. This vulnerability is known as CVE-2004-2532. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Serv-U up to 5.0.0.11 (File Transfer Software). It has been classified as critical. This affects an unknown function of the component Administrator Account. The manipulation with an unknown input leads to a credentials management vulnerability. CWE is classifying the issue as CWE-255. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Serv-U FTP server before 5.1.0.0 has a default account and password for local administration, which allows local users to execute arbitrary commands by connecting to the server using the default administrator account, creating a new user, logging in as that new user, and then using the SITE EXEC command.

The weakness was published 08/08/2004 by Andrés Tarascó Acunha (Website). It is possible to read the advisory at archives.neohapsis.com. This vulnerability is uniquely identified as CVE-2004-2532 since 10/25/2005. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

A public exploit has been developed by Andrés Acunha in ANSI C and been published immediately after the advisory. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27256 (RhinoSoft Serv-U FTP Server Default Administration Account Vulnerability).

Upgrading to version 5.1.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (16925), Exploit-DB (381), SecurityFocus (BID 10886†) and OSVDB (8877†). Similar entry is available at VDB-23416. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
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: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Andrés Acunha
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Serv-U 5.1.0.0

Timelineinfo

08/08/2004 🔍
08/08/2004 +0 days 🔍
08/08/2004 +0 days 🔍
08/08/2004 +0 days 🔍
08/12/2004 +3 days 🔍
12/31/2004 +141 days 🔍
10/25/2005 +298 days 🔍
03/09/2015 +3422 days 🔍
08/19/2025 +3816 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Andrés Tarascó Acunha
Status: Confirmed

CVE: CVE-2004-2532 (🔍)
GCVE (CVE): GCVE-0-2004-2532
GCVE (VulDB): GCVE-100-23415
X-Force: 16925 - Serv-U FTP default administrative account
SecurityFocus: 10886 - RhinoSoft Serv-U FTP Server Default Administration Account Vulnerability
OSVDB: 8877 - Serv-U FTP Server Default Account Local System Privilege Escalation

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

Entryinfo

Created: 03/09/2015 16:55
Updated: 08/19/2025 21:15
Changes: 03/09/2015 16:55 (63), 06/29/2018 10:32 (5), 07/05/2025 20:48 (18), 08/19/2025 21:15 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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