Deerfield Serv-U 2.5e NULL Byte denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Deerfield Serv-U 2.5e. The impacted element is an unknown function. Such manipulation as part of NULL Byte leads to denial of service. This vulnerability is listed as CVE-2000-0837. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Deerfield Serv-U 2.5e (File Transfer Software). Affected by this issue is an unknown functionality. The manipulation as part of a NULL Byte leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

FTP Serv-U 2.5e allows remote attackers to cause a denial of service by sending a large number of null bytes.

The weakness was presented 11/14/2000 as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2000-0837. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 10488 (Serv-U 2.5e Null Byte Saturation DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27065 (Serv-U FTP Server Null Bytes DOS Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5029), Tenable (10488), SecurityFocus (BID 1543†) and Vulnerability Center (SBV-183†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10488
Nessus Name: Serv-U 2.5e Null Byte Saturation DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/04/2000 🔍
11/14/2000 +102 days 🔍
11/14/2000 +0 days 🔍
11/14/2000 +0 days 🔍
10/22/2002 +707 days 🔍
06/30/2014 +4269 days 🔍
10/12/2025 +4122 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2000-0837 (🔍)
GCVE (CVE): GCVE-0-2000-0837
GCVE (VulDB): GCVE-100-15968
X-Force: 5029
SecurityFocus: 1543
Vulnerability Center: 183 - DoS in FTP-Serv-U 2.5e FTP Server, Medium

Entryinfo

Created: 06/30/2014 12:41
Updated: 10/12/2025 19:44
Changes: 06/30/2014 12:41 (62), 05/05/2019 12:32 (1), 10/12/2025 19:44 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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