CVE-2020-1987: Global Protect Agent: VPN cookie local information disclosure

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-08 · updated 2026-06-17
Weakness: CWE-200

Description

An information exposure vulnerability in the logging component of Palo Alto Networks Global Protect Agent allows a local authenticated user to read VPN cookie information when the troubleshooting logging level is set to "Dump". This issue affects Palo Alto Networks Global Protect Agent 5.0 versions prior to 5.0.9; 5.1 versions prior to 5.1.1.

Affected products

Palo Alto Networks GlobalProtect App: from 5.0 before 5.0.9; from 5.1 before 5.1.1 — fixed in 5.0.9, 5.1.1
Palo Alto Networks GlobalProtect App: from 5.0 before 5.0.9; from 5.1 before 5.1.1 — fixed in 5.0.9, 5.1.1

How to fix

Upgrade to a fixed version: Palo Alto Networks GlobalProtect App 5.0.9, 5.1.1; Palo Alto Networks GlobalProtect App 5.0.9, 5.1.1. Check the vendor advisory for mitigations.

References

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