SAML authenticated bypass in Palo Alto PAN-OS - CVE-2020-2021

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Main Vulnerability Database Vulnerabilities #VU29387

SAML authenticated bypass in Palo Alto PAN-OS - CVE-2020-2021

Published: June 30, 2020 / Updated: March 25, 2022


Vulnerability identifier: #VU29387
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2020-2021
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Palo Alto Networks, Inc.
Affected software:
Palo Alto PAN-OS

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing SAML authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to protected resources.


How to mitigate CVE-2020-2021

Install updates from vendor's website.

Sources