CVE-2019-0027: Juniper ATP: Persistent Cross-Site Scripting vulnerability in Snort Rules configuration

Severity: medium (CVSS 5.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-01-15 · updated 2026-06-17
Weakness: CWE-79

Description

A persistent cross-site scripting (XSS) vulnerability in the Snort Rules configuration of Juniper ATP may allow authenticated user to inject arbitrary script and steal sensitive data and credentials from a web administration session, possibly tricking a follow-on administrative user to perform administrative actions on the device. This issue affects Juniper ATP 5.0 versions prior to 5.0.3.

Affected products

Juniper Advanced Threat Prevention: from 5.0.0 before 5.0.3 — fixed in 5.0.3

How to fix

Upgrade to a fixed version: Juniper Advanced Threat Prevention 5.0.3. Check the vendor advisory for mitigations.

References

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