CVE-2005-2640: Medium severity neoteris instant virtual extranet vulnerability

Published Aug 20, 2005
·
Updated

Behavioral discrepancy information leak in Juniper Netscreen VPN running ScreenOS 5.2.0 and earlier, when using IKE with pre-shared key authentication, allows remote attackers to enumerate valid usernames via an IKE Aggressive Mode packet, which generates a response if the username is valid but does not respond when the username is invalid.

Affected Software

133 affected components
Neoteris Instant Virtual Extranet=3.0
Neoteris Instant Virtual Extranet=3.1
Neoteris Instant Virtual Extranet=3.3.1
Neoteris Instant Virtual Extranet=3.3
Neoteris Instant Virtual Extranet=3.2
Juniper NetScreen ScreenOS=2.6.1r2
Juniper NetScreen ScreenOS=2.6.1r12
Juniper NetScreen ScreenOS=3.1.0r10
Juniper NetScreen ScreenOS=4.0.0r5
Juniper NetScreen ScreenOS=4.0.0
Juniper NetScreen ScreenOS=3.0.3r5
Juniper NetScreen ScreenOS=2.6.1r1
Juniper NetScreen ScreenOS=4.0.0r2
Juniper NetScreen ScreenOS=4.0.0r7
Juniper NetScreen ScreenOS=2.6.1r8
Juniper NetScreen ScreenOS=1.66
Juniper NetScreen ScreenOS=2.5
Juniper NetScreen ScreenOS=2.7.1
Juniper NetScreen ScreenOS=4.0.1r1
Juniper NetScreen ScreenOS=3.0.1r3
Juniper NetScreen ScreenOS=2.5r6
Juniper NetScreen ScreenOS=3.0.3r2
Juniper NetScreen ScreenOS=4.0.0r4
Juniper NetScreen ScreenOS=4.0.1r8
Juniper NetScreen ScreenOS=3.1.0r4
Juniper NetScreen ScreenOS=3.1.0r8
Juniper NetScreen ScreenOS=4.0.0r6
Juniper NetScreen ScreenOS=2.6.1r6
Juniper NetScreen ScreenOS=4.0.0r11
Juniper NetScreen ScreenOS=4.0.1r2
Juniper NetScreen ScreenOS=3.0.3r1
Juniper NetScreen ScreenOS=3.1.0r3
Juniper NetScreen ScreenOS=2.6.1r7
Juniper NetScreen ScreenOS=4.0.3r3
Juniper NetScreen ScreenOS=3.0.2
Netscreen Ns-50ns25=5.0.0_r6.0
Netscreen Ns-204=5.0.0_r6.0
Juniper NetScreen ScreenOS=2.8_r1
Juniper NetScreen ScreenOS=4.0.2
Juniper NetScreen ScreenOS=4.0.0r1
Juniper NetScreen ScreenOS=1.64
Juniper NetScreen ScreenOS=3.1.0r12
Juniper NetScreen ScreenOS=2.6.1r11
Juniper NetScreen ScreenOS=2.8
Juniper NetScreen ScreenOS=2.10_r4
Juniper NetScreen ScreenOS=2.6.1
Juniper NetScreen ScreenOS=3.0.3
Juniper NetScreen ScreenOS=3.1.0r2
Juniper NetScreen ScreenOS=3.0.1r7
Juniper NetScreen ScreenOS=3.0.0r3
Juniper NetScreen ScreenOS=3.0.0r1
Juniper NetScreen ScreenOS=1.7
Netscreen Ns-500=4110.0_11_5.1.0_r3a
Juniper NetScreen ScreenOS=3.0.3_r1.1
Juniper NetScreen ScreenOS=3.1.1_r2
Juniper NetScreen ScreenOS=3.0.1r2
Juniper NetScreen ScreenOS=3.1.0r5
Juniper NetScreen ScreenOS=2.5r2
Juniper NetScreen ScreenOS=2.1
Netscreen Ns-100=3.0_.pe1.0
Juniper NetScreen ScreenOS=3.0.3r4
Juniper NetScreen ScreenOS=2.10_r3
Juniper NetScreen ScreenOS=4.0.0r9
Juniper NetScreen ScreenOS=4.0.3r2
Juniper NetScreen ScreenOS=2.7.1r3
Netscreen Ns-204=0110.0_11_4.0_r10.0
Juniper NetScreen ScreenOS=3.1.0r7
Juniper NetScreen ScreenOS=4.0.3r4
Juniper NetScreen ScreenOS=3.1.0r9
Juniper NetScreen ScreenOS=3.0.1r5
Juniper NetScreen ScreenOS=4.0.1r7
Juniper NetScreen ScreenOS=3.0.3r6
Juniper NetScreen ScreenOS=3.0.0
Juniper NetScreen ScreenOS=5.2.0
Juniper NetScreen ScreenOS=4.0.1r5
Netscreen Ns-500=4110.0_11_4.0_r10.0
Juniper NetScreen ScreenOS=1.66_r2
Juniper NetScreen ScreenOS=3.0.0r4
Juniper NetScreen ScreenOS=3.0.3r7
Juniper NetScreen ScreenOS=4.0.1r6
Juniper NetScreen ScreenOS=4.0.3
Juniper NetScreen ScreenOS=5.1.0r3a
Juniper NetScreen ScreenOS=1.73_r2
Juniper NetScreen ScreenOS=2.6.1r5
Juniper NetScreen ScreenOS=3.1.0
Juniper NetScreen ScreenOS=4.0.1
Juniper NetScreen ScreenOS=4.0.3r1
Juniper NetScreen ScreenOS=4.0.1r3
Juniper NetScreen ScreenOS=2.5r1
Juniper NetScreen ScreenOS=4.0.0
Juniper NetScreen ScreenOS=3.1.0r11
Juniper NetScreen ScreenOS=2.1_r6
Juniper NetScreen ScreenOS=2.7.1r1
Juniper NetScreen ScreenOS=2.6.0
Juniper NetScreen ScreenOS=3.0.3r3
Juniper NetScreen ScreenOS=5.0.0
Juniper NetScreen ScreenOS=4.0.0r10
Juniper NetScreen ScreenOS=4.0.0r8
Juniper NetScreen ScreenOS=3.1.0r6
Juniper NetScreen ScreenOS=4.0.1r4
Juniper NetScreen ScreenOS=2.6.1r10
Juniper NetScreen ScreenOS=4.0.1r10
Juniper NetScreen ScreenOS=2.6.1r9
Juniper NetScreen ScreenOS=2.7.1r2
Juniper NetScreen ScreenOS=4.0.0r12
Juniper NetScreen ScreenOS=2.6.1r4
Juniper NetScreen ScreenOS=3.1.0r1
Juniper NetScreen ScreenOS=3.0.0r2
Juniper NetScreen ScreenOS=3.0.1r4
Juniper NetScreen ScreenOS=3.0.3r8
Juniper NetScreen ScreenOS=1.73_r1
Juniper NetScreen ScreenOS=3.0.1
Netscreen Ns-204=0110.0_11_5.1.0_r3a
Juniper NetScreen ScreenOS=4.0.0r3
Juniper NetScreen ScreenOS=2.1_r7
Juniper NetScreen ScreenOS=2.6.1r3
Netscreen Ns-10
Juniper NetScreen ScreenOS=5.1.0
Juniper NetScreen ScreenOS=3.0.1r6
Juniper NetScreen ScreenOS=2.0.1_r8
Juniper NetScreen ScreenOS=4.0.1r9
Juniper NetScreen ScreenOS=3.0.1r1
Juniper Netscreen-idp=3.0
Netscreen Netscreen-sa 5020 Series=4.2_r2.2
Juniper Netscreen-idp 100=3.0.1_r1
Juniper Netscreen-idp 500=3.0.1_r1
Juniper Netscreen-idp=3.0r1
Netscreen NetScreen-SA 5000 Series
Juniper Netscreen-idp=3.0r2
Juniper Netscreen-idp 10=3.0.1_r1
Juniper Netscreen-5gt=5.0
Juniper Netscreen-idp 1000=3.0.1_r1
Netscreen Netscreen-sa 5050 Series=4.2_r2.2

Event History

Aug 20, 2005
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2005-2640?

CVE-2005-2640 is classified as a moderate severity vulnerability due to the potential for information disclosure.

2

How do I fix CVE-2005-2640?

To fix CVE-2005-2640, upgrade Juniper Netscreen VPN running ScreenOS to version 5.2.1 or later.

3

What impact does CVE-2005-2640 have on my network?

CVE-2005-2640 allows remote attackers to enumerate valid usernames, posing a risk of unauthorized access.

4

Which products are affected by CVE-2005-2640?

CVE-2005-2640 affects Juniper Netscreen VPN devices running ScreenOS 5.2.0 and earlier.

5

Can CVE-2005-2640 be exploited remotely?

Yes, CVE-2005-2640 can be exploited remotely if a vulnerable device is reachable over the network.

Company

Resources

Contact

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