CVE-2021-3046

PAN-OS: Improper SAML Authentication Vulnerability in GlobalProtect Portal

At a glance

Severity: MEDIUM 6.8
EPSS: EPSS 1.12 % · percentile 66 (2026-10-27)
State: PUBLISHED
Published: 2021-08-11
Updated: 2024-09-17
Assigner: palo_alto
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.8	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N	palo_alto
CVSS 3.1	MEDIUM 6.8	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N	NVD · psirt@paloaltonetworks.com (Secondary)
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-287

European references

ENISA EUVD · EUVD-2021-26398
GCVE · GCVE-0-2021-3046

CERT-FR advisories

CERTFR-2021-AVI-621 — Multiples vulnérabilités dans les produits Palo Alto Networks · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 8.1.0 < 8.1.19
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 9.0.0 < 9.0.14
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 9.1.0 < 9.1.9
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 10.0.0 < 10.0.5

Affected products

Product	Versions
Palo Alto Networks · PAN-OS	unaffected 10.1.* ; affected 8.1 < 8.1.19 ; affected 9.0 < 9.0.14 ; affected 9.1 < 9.1.9 ; affected 10.0 < 10.0.5

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD