CVE-2021-3046

PAN-OS: Improper SAML Authentication Vulnerability in GlobalProtect Portal

Published Aug 11, 2021 CVSS 3.1 · 6.8 Medium EPSS 1.1% KEV · Not listed
Description
An improper authentication vulnerability exists in Palo Alto Networks PAN-OS software that enables a SAML authenticated attacker to impersonate any other user in the GlobalProtect Portal and GlobalProtect Gateway when they are configured to use SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.5. PAN-OS 10.1 versions are not impacted.

Remediation

Vendor Solution

This issue is fixed in PAN-OS 8.1.19, PAN-OS 9.0.14, PAN-OS 9.1.9, PAN-OS 10.0.5, and all later PAN-OS versions.


Vendor Workaround

You can disable SAML authentication for any impacted GlobalProtect portal or gateway until you upgrade the PAN-OS firewall to a fixed version.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-26398 An improper authentication vulnerability exists in Palo Alto Networks PAN-OS software that enables a SAML authenticated attacker to impersonate any other user in the GlobalProtect Portal and GlobalProtect Gateway when they are configured to use SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.5. PAN-OS 10.1 versions are not impacted.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
palo_alto
Published
Updated
Sep 17, 2024, 2:47 AM
Reserved
Jan 6, 2021, 12:00 AM
Status
Modified
Published
Aug 11, 2021, 5:15 PM
Modified
Jun 17, 2026, 4:04 AM