PULSEUnderground Intel

LIVE66signals / 24h

FEED

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CVE Watch—

CVE-2020-2021

Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

CVSS

—

No CVSS

EPSS

4.4%

p91

KEV

YES

Mar 25, 2022

Exploit Today

77

0-100

Published: — · Last modified: —

EPSS · 30d

4.4%EPSS · 30 days4.4%

2026-09-182026-10-16

KEV catalog record

Product

Palo Alto Networks / PAN-OS

Vulnerability

Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

Added to KEV

Mar 25, 2022

Remediate by

Apr 15, 2022

Known ransomware use

Yes

Summary 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.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-2021

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-03227.2 HIG

KEV—70Palo Alto Networks PAN-OS Code Injection Vulnerability2d CVE-2025-01089.1 CRI

KEV—80Palo Alto Networks PAN-OS Authentication Bypass Vulnerability23d CVE-2024-94747.2 HIG

KEV—80Palo Alto Networks PAN-OS Management Interface OS Command Injection Vulnerability74d CVE-2024-00129.8 CRI

KEV—80Palo Alto Networks PAN-OS Management Interface Authentication Bypass Vulnerability74d CVE-2019-15798.1 HIG

KEV—80Palo Alto Networks PAN-OS Remote Code Execution Vulnerability15d CVE-2024-3400—

KEV—80Palo Alto Networks PAN-OS Command Injection Vulnerability—