VDB-215 · SA9404 · OSVDB 2346

NetScreen ScreenOS up to 4.0.1r6/4.0.3r2 TCP Window denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in NetScreen ScreenOS up to 4.0.1r6/4.0.3r2 (Router Operating System). It has been rated as critical. This issue affects an unknown code block of the component TCP Window Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The weakness was published 07/30/2003 with Papa Love Mambo Research Group (Website). It is possible to read the advisory at netscreen.com. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. Technical details are unknown but an exploit is available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

It is declared as proof-of-concept. The exploit is available at hping.org.

Upgrading to version 4.0.1r7 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at netscreen.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Secunia (SA9404).





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

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

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
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Predictions: 🔍
Remediation: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ScreenOS 4.0.1r7
Patch: netscreen.com


07/30/2003 🔍
07/31/2003 +1 days 🔍
08/05/2003 +4 days 🔍
06/26/2019 +5804 days 🔍


Advisory: netscreen.com
Organization: Papa Love Mambo Research Group
Status: Not defined
Secunia: 9404 - NetScreen ScreenOS TCP Window Denial of Service, Moderately Critical
OSVDB: 2346 - NetScreen ScreenOS TCP Window DoS
SecuriTeam: securiteam.com


Created: 08/05/2003 11:08 AM
Updated: 06/26/2019 10:52 AM
Changes: (5) software_type source_secunia source_secunia_title source_secunia_risk vulnerability_cwe
Complete: 🔍


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