What’s Vulnerable › Vulnerabilities

CVE-2020-1976: GlobalProtect on MacOS: Local denial-of-service (DoS) vulnerability.

• Severity: medium (CVSS 5.5 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: 2020-02-12 · updated 2026-06-17
• Weakness: CWE-642

Description

A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect software running on Mac OS allows authenticated local users to cause the Mac OS kernel to hang or crash. This issue affects GlobalProtect 5.0.5 and earlier versions of GlobalProtect 5.0 on Mac OS.

Affected products

• Palo Alto Networks GlobalProtect App: from 5.0 through 5.0.5
• Palo Alto Networks GlobalProtect App: from 5.0 through 5.0.5 — fixed in 5.0.6

How to fix

Upgrade to a fixed version: Palo Alto Networks GlobalProtect App 5.0.6. Check the vendor advisory for mitigations.

References

• https://security.paloaltonetworks.com/CVE-2020-1976
• https://security.paloaltonetworks.com/CVE-2020-1976

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