CVE-2020-2021
Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
Palo Alto Networks · PAN-OS
Vulnerability details
Palo Alto Networks PAN-OS contains a vulnerability in SAML which allows an attacker to bypass authentication.
Added to CISA KEV: 2022-03-25
Ransomware campaign use: Known
CISA due date: 2022-04-15
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC