CVE-2021-3046

PAN-OS: Improper SAML Authentication Vulnerability in GlobalProtect Portal

MEDIUM

6.5

CVSS Score

Published: August 11, 2021 at 05:10 PM UTC

Updated: June 17, 2026 at 04:04 AM UTC

1 product affected across 1 vendorPAN-OS

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Severity

MEDIUM6.5

Exploit prediction

EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PAN-OS · Palo Alto Networks

95%

10.0 ≤ v < 10.0.510.0.0 ≤ v < 10.0.58.1 ≤ v < 8.1.198.1.0 ≤ v < 8.1.199.0 ≤ v < 9.0.149.0.0 ≤ v < 9.0.149.1 ≤ v < 9.1.99.1.0 ≤ v < 9.1.910.0 8.1 9.0 9.1

Affected range stops below 10.0.5, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 10.1.* (unaffected)

Affected range stops below 8.1.19, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.0.14, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.1.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://security.paloaltonetworks.com/CVE-2021-3046

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://security.paloaltonetworks.com/CVE-2021-3046

CVSS

6.5MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-287

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