CVE-2020-1997: PAN-OS: GlobalProtect registration open redirect

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-13 · updated 2026-06-17
Weakness: CWE-601

Description

An open redirection vulnerability in the GlobalProtect component of Palo Alto Networks PAN-OS allows an attacker to specify an arbitrary redirection target away from the trusted GlobalProtect gateway. If the user then successfully authenticates it will cause them to access an unexpected and potentially malicious website. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.0 versions earlier than 8.0.14.

Affected products

Palo Alto Networks PAN-OS: from 7.1.0 before 7.1.26; from 8.0.0 before 8.0.14 — fixed in 7.1.26, 8.0.14
Palo Alto Networks PAN-OS: from 7.1 before 7.1.26; from 8.0 before 8.0.14 — fixed in 7.1.26, 8.0.14

How to fix

Upgrade to a fixed version: Palo Alto Networks PAN-OS 7.1.26, 8.0.14; Palo Alto Networks PAN-OS 7.1.26, 8.0.14. Check the vendor advisory for mitigations.

References

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