CVE-2017-2337

ScreenOS: XSS vulnerability in ScreenOS Firewall

Description

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.

Remediation

Workaround:

  • Use access lists or firewall filters to limit access to the firewall's WebUI only from trusted hosts.

Category

8.4
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory juniper.net
Affected: Juniper Networks ScreenOS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA10782 vendor advisory
http://www.securitytracker.com/id/1038881 third party advisory vdb entry
http://www.securityfocus.com/bid/99590 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-2337?
CVE-2017-2337 has been scored as a high severity vulnerability.
How to fix CVE-2017-2337?
As a workaround for remediating CVE-2017-2337: Use access lists or firewall filters to limit access to the firewall's WebUI only from trusted hosts.
Is CVE-2017-2337 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-2337 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-2337?
CVE-2017-2337 affects Juniper Networks ScreenOS.
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