CVE-2022-0017: GlobalProtect App: Improper Link Resolution Vulnerability Leads to Local Privilege Escalation

Severity: high (CVSS 7.8 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: 2022-02-10 · updated 2026-06-17
Weakness: CWE-59

Description

An improper link resolution before file access ('link following') vulnerability exists in the Palo Alto Networks GlobalProtect app on Windows that enables a local attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges under certain circumstances. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.10 on Windows. GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.5 on Windows. This issue does not affect GlobalProtect app on other platforms.

Affected products

Palo Alto Networks GlobalProtect App: from 5.1 before 5.1.10; from 5.2 before 5.2.5 — fixed in 5.1.10, 5.2.5
Palo Alto Networks GlobalProtect App: from 5.2 before 5.2.5; from 5.1 before 5.1.10 — fixed in 5.2.5, 5.1.10

How to fix

Upgrade to a fixed version: Palo Alto Networks GlobalProtect App 5.1.10, 5.2.5; Palo Alto Networks GlobalProtect App 5.2.5, 5.1.10. Check the vendor advisory for mitigations.

References

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