CVE-2021-3046

PAN-OS: Improper SAML Authentication Vulnerability in GlobalProtect Portal

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se presenta una vulnerabilidad de autenticación inapropiada en el software PAN-OS de Palo Alto Networks, que permite a un atacante con autenticación SAML hacerse pasar por cualquier otro usuario en GlobalProtect Portal y GlobalProtect Gateway cuando están configurados para usar la autenticación SAML. Este problema afecta a: PAN-OS versiones 8.1 anteriores a PAN-OS 8.1.19; PAN-OS versiones 9.0 anteriores a PAN-OS 9.0.14; PAN-OS versiones 9.1 anteriores a PAN-OS 9.1.9; PAN-OS versiones 10.0 anteriores a PAN-OS 10.0.5. PAN-OS versiones 10.1 no están afectadas

*Credits: Palo Alto Networks thanks Alexander Harvey for discovering and reporting this issue.

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2021-08-11 CVE Published
2024-09-17 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://security.paloaltonetworks.com/CVE-2021-3046	2021-08-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 8.1.0 < 8.1.19 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 8.1.0 < 8.1.19"		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 9.0.0 < 9.0.14 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 9.0.0 < 9.0.14"		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 9.1.0 < 9.1.9 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 9.1.0 < 9.1.9"		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 10.0.0 < 10.0.5 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 10.0.0 < 10.0.5"		-		Affected