2021-3046 | Palo Alto PAN-OS SAML Authentication improper authentication
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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
Status: Not defined
0-Day Time: 🔒
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