March 25, 2022 · Applied Cybernetics Group
CVE-2020-2021 Palo Alto Networks PAN-OS
known ransomware use
Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
- Added to KEV
2022-03-25- Federal due date
2022-04-15- Vendor
- Palo Alto Networks
- Product
- PAN-OS
- EPSS
- 91.3th percentile (score 0.044, as of
2026-11-06) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2020-2021
CISA short description
Palo Alto Networks PAN-OS contains a vulnerability in SAML which allows an attacker to bypass authentication.
Required action
Apply updates per vendor instructions.