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: 9.3 [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]
CVE-ID: CVE-2020-2021
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
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.
Affected software
Palo Alto PAN-OS
How to mitigate CVE-2020-2021
Install updates from vendor's website.
Palo Alto PAN-OS - addressed in versions 8.1.15, 9.0.9, 9.1.3