CVE-2002-0891: Medium severity Juniper NetScreen ScreenOS vulnerability

Published Oct 4, 2002
·
Updated

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.

Affected Software

23 affected components
Juniper NetScreen ScreenOS=2.5
Juniper NetScreen ScreenOS=2.5r1
Juniper NetScreen ScreenOS=2.5r2
Juniper NetScreen ScreenOS=2.5r6
Juniper NetScreen ScreenOS=2.6.1
Juniper NetScreen ScreenOS=2.6.1r1
Juniper NetScreen ScreenOS=2.6.1r2
Juniper NetScreen ScreenOS=2.6.1r3
Juniper NetScreen ScreenOS=2.6.1r4
Juniper NetScreen ScreenOS=2.6.1r5
Juniper NetScreen ScreenOS=2.7.1
Juniper NetScreen ScreenOS=2.7.1r1
Juniper NetScreen ScreenOS=2.7.1r2
Juniper NetScreen ScreenOS=2.7.1r3
Juniper NetScreen ScreenOS=2.8_r1
Juniper NetScreen ScreenOS=2.10_r3
Juniper NetScreen ScreenOS=2.10_r4
Juniper NetScreen ScreenOS=3.0.0
Juniper NetScreen ScreenOS=3.0.0r1
Juniper NetScreen ScreenOS=3.0.0r2
Juniper NetScreen ScreenOS=3.0.0r3
Juniper NetScreen ScreenOS=3.0.0r4
Juniper NetScreen ScreenOS=3.0.1r1

Event History

Oct 4, 2002
CVE Published
04:00 AM
Apr 2, 2003
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2002-0891?

CVE-2002-0891 is classified as a denial of service vulnerability that can cause crashing of the affected device.

2

How do I fix CVE-2002-0891?

To fix CVE-2002-0891, upgrade the NetScreen ScreenOS to a version that is not affected, such as 2.6.1r8 or later.

3

Which versions of NetScreen ScreenOS are affected by CVE-2002-0891?

CVE-2002-0891 affects NetScreen ScreenOS versions before 2.6.1r8 and specific versions of 2.8.x and 3.0.x before 3.0.3r1.

4

Can CVE-2002-0891 be exploited remotely?

Yes, CVE-2002-0891 can be exploited remotely by sending a crafted long username to the web interface.

5

What should I do if I am using a vulnerable version of ScreenOS associated with CVE-2002-0891?

If you are using a vulnerable version of ScreenOS, it is essential to update to a secure version immediately to mitigate the risk.

Contact

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