CVE-2021-3046

Name: CVE-2021-3046
Creator: NVD / NIST
Published: 2021-08-11T17:15:07.45+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2021-3046 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.12%

61.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Paloaltonetworks	Pan-Os	>= 8.1.0, < 8.1.19
Paloaltonetworks	Pan-Os	>= 9.0.0, < 9.0.14
Paloaltonetworks	Pan-Os	>= 9.1.0, < 9.1.9
Paloaltonetworks	Pan-Os	>= 10.0.0, < 10.0.5

References

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

Timeline

Published: Aug 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3046?

How severe is CVE-2021-3046?

CVE-2021-3046 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3046?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3046?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST