CVE-2017-2339: ScreenOS: XSS vulnerability in ScreenOS Firewall

Published Jul 14, 2017
·
Updated

A persistent cross site scripting vulnerability in NetScreen WebUI of Juniper Networks Juniper NetScreen Firewall+VPN running ScreenOS allows a user with the 'security' role to inject HTML/JavaScript content into the management session of other users including the administrator. This enables the lower-privileged user to effectively execute commands with the permissions of an administrator. This issue affects Juniper Networks ScreenOS 6.3.0 releases prior to 6.3.0r24 on SSG Series. No other Juniper Networks products or platforms are affected by this issue.

Affected Software

24 affected components
Juniper ScreenOS=6.3.0
Juniper ScreenOS=6.3.0-r1
Juniper ScreenOS=6.3.0-r10
Juniper ScreenOS=6.3.0-r11
Juniper ScreenOS=6.3.0-r12
Juniper ScreenOS=6.3.0-r13
Juniper ScreenOS=6.3.0-r14
Juniper ScreenOS=6.3.0-r15
Juniper ScreenOS=6.3.0-r16
Juniper ScreenOS=6.3.0-r17
Juniper ScreenOS=6.3.0-r18
Juniper ScreenOS=6.3.0-r19
Juniper ScreenOS=6.3.0-r2
Juniper ScreenOS=6.3.0-r21
Juniper ScreenOS=6.3.0-r22
Juniper ScreenOS=6.3.0-r23
Juniper ScreenOS=6.3.0-r23b
Juniper ScreenOS=6.3.0-r3
Juniper ScreenOS=6.3.0-r4
Juniper ScreenOS=6.3.0-r5
Juniper ScreenOS=6.3.0-r6
Juniper ScreenOS=6.3.0-r7
Juniper ScreenOS=6.3.0-r8
Juniper ScreenOS=6.3.0-r9

Event History

Jul 14, 2017
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2017-2339?

CVE-2017-2339 has been rated as a high-severity vulnerability due to its potential to allow persistent cross-site scripting attacks.

2

How do I fix CVE-2017-2339?

To fix CVE-2017-2339, it is recommended to upgrade to a patched version of Juniper ScreenOS as specified in vendor advisories.

3

Who is affected by CVE-2017-2339?

CVE-2017-2339 affects users with the 'security' role in the Juniper NetScreen Firewall+VPN running ScreenOS version 6.3.0 and various release iterations.

4

What type of vulnerability is CVE-2017-2339?

CVE-2017-2339 is categorized as a persistent cross-site scripting (XSS) vulnerability.

5

What happens if CVE-2017-2339 is exploited?

Exploitation of CVE-2017-2339 could allow an attacker to inject HTML/JavaScript content into the management sessions of other users, including administrators.

Contact

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