2021-3046 | Palo Alto PAN-OS SAML Authentication improper authentication

CVSS Meta Temp Score

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CTI Interest Score

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5.4 $0-$5k 0.08

A vulnerability has been found in Palo Alto PAN-OS up to 8.1.18/9.0.13/9.1.8/10.0.4 (Firewall Software) and classified as critical. This vulnerability affects some unknown processing of the component SAML Authentication Handler. The manipulation with an unknown input leads to a weak authentication vulnerability. The CWE definition for the vulnerability is CWE-287. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared 08/12/2021. The advisory is available at security.paloaltonetworks.com. This vulnerability was named CVE-2021-3046 since 01/06/2021. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 8.1.19, 9.0.14, 9.1.9, 10.0.5 or 10.1 eliminates this vulnerability.




VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: PAN-OS 8.1.19/9.0.14/9.1.9/10.0.5/10.1

01/06/2021 CVE assigned
08/12/2021 +217 days Advisory disclosed
08/12/2021 +0 days VulDB entry created
08/16/2021 +4 days VulDB last updateVendor: https://www.paloaltonetworks.com/

Advisory: security.paloaltonetworks.com
Status: Confirmed

CVE: CVE-2021-3046 (🔒)

Created: 08/12/2021 08:04
Updated: 08/16/2021 15:22
Changes: (1) source_cve_cna
Complete: 🔍


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