CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability classified as problematic was found in Juniper Netscreen ScreenOS up to 2.6.1/3.0.3 (Router Operating System). Affected by this vulnerability is some unknown processing of the component Web Interface. The manipulation of the argument Username with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

The web interface (WebUI) of NetScreen ScreenOS before 2.6.1r8, and certain 2.8.x and 3.0.x versions before 3.0.3r1, allows remote attackers to cause a denial of service (crash) via a long user name.

The bug was discovered 05/27/2002. The weakness was shared 10/04/2002 as not defined posting (Bugtraq). The advisory is shared at online.securityfocus.com. This vulnerability is known as CVE-2002-0891. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 130 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 2.6.1r8 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (9186).

Productinfo

Type

• Router Operating System

Vendor

• Juniper

Name

• Netscreen ScreenOS

Version

• 2.6.0
• 2.6.1
• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Netscreen ScreenOS 2.6.1r8

Timelineinfo

05/27/2002 🔍
05/27/2002 +0 days 🔍
10/04/2002 +130 days 🔍
10/04/2002 +0 days 🔍
10/04/2002 +0 days 🔍
03/13/2005 +891 days 🔍
07/23/2014 +3419 days 🔍
05/30/2019 +1772 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: online.securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2002-0891 (🔍)
X-Force: 9186
Vulnerability Center: 7278 - DoS in NetScreen ScreenOS WebUI via Long User Name, High
SecurityFocus: 4842 - NetScreen ScreenOS Remote Reboot Vulnerability
OSVDB: 5059 - NetScreen - ScreenOS - Remote Reboot Vulnerability

Entryinfo

Created: 07/23/2014 11:39
Updated: 05/30/2019 17:34
Changes: 07/23/2014 11:39 (63), 05/30/2019 17:34 (3)
Complete: 🔍

Discussion

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