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VulnerabilityKnown exploited · ransomware
Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
CVE-2020-2021 · CISA KEV · March 25, 2022
Summary
Palo Alto Networks PAN-OS contains a vulnerability in SAML which allows an attacker to bypass authentication.
From CISA, quoted as published. Check the source before acting.
What to do
Apply updates per vendor instructions.
CISA required action, quoted.
Affected products
| Vendor | Product |
|---|---|
| Palo Alto Networks | PAN-OS |
Why it's on these mode pages
- Maritime: Vendor table: Palo Alto Networks (network and remote-access gear used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Palo Alto Networks (network and remote-access gear used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Palo Alto Networks (network and remote-access gear used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Palo Alto Networks (network and remote-access gear used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Palo Alto Networks (network and remote-access gear used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Palo Alto Networks (network and remote-access gear used in every mode, all modes) (matched by rule)
Change history
- November 9, 2026: First collected by Watch
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