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CVE-2020-2021: Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
Palo Alto Networks PAN-OS · in CISA KEV since 2022-03-25
2022-03-25added to KEV
2022-04-15federal remediation due date
4.36%EPSS exploit probability (30 days) 90.8th percentile
10 CRITICALCVSS 3.1
Knownknown ransomware use
634days from NVD publication to KEV
What it is
Palo Alto Networks PAN-OS contains a vulnerability in SAML which allows an attacker to bypass authentication.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-347 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD published | 2020-06-29 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2020-2021.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.