PULSEUnderground Intel

LIVE0signals / 24h

FEED

vulnKEV agrega CVE-2023-49105 — ownCloud / ownCloudvulnKEV agrega CVE-2026-53362 — Linux / KernelvulnKEV agrega CVE-2026-66384 — JFrog / ArtifactoryvulnKEV agrega CVE-2021-23758 — Ajax.NET Professional / Ajax.NET ProfessionalvulnKEV agrega CVE-2015-3246 — Red Hat / LibuservulnKEV agrega CVE-2015-5287 — Red Hat / Automatic Bug Reporting ToolvulnKEV agrega CVE-2022-0995 — Linux / KernelvulnKEV agrega CVE-2026-8452 — Citrix / NetScaler ADC and NetScaler GatewayvulnKEV agrega CVE-2019-1068 — Microsoft / SQL ServervulnKEV agrega CVE-2026-60004 — Gitea / GiteavulnKEV agrega CVE-2026-21962 — Oracle / HTTP Server and Oracle Weblogic Server Proxy Plug-invulnKEV agrega CVE-2026-73570 — Synacor / Zimbra Collaboration Suite (ZCS)vulnKEV agrega CVE-2026-72530 — TrueConf / ServervulnKEV agrega CVE-2026-72529 — TrueConf / ServervulnKEV agrega CVE-2023-49105 — ownCloud / ownCloudvulnKEV agrega CVE-2026-53362 — Linux / KernelvulnKEV agrega CVE-2026-66384 — JFrog / ArtifactoryvulnKEV agrega CVE-2021-23758 — Ajax.NET Professional / Ajax.NET ProfessionalvulnKEV agrega CVE-2015-3246 — Red Hat / LibuservulnKEV agrega CVE-2015-5287 — Red Hat / Automatic Bug Reporting ToolvulnKEV agrega CVE-2022-0995 — Linux / KernelvulnKEV agrega CVE-2026-8452 — Citrix / NetScaler ADC and NetScaler GatewayvulnKEV agrega CVE-2019-1068 — Microsoft / SQL ServervulnKEV agrega CVE-2026-60004 — Gitea / GiteavulnKEV agrega CVE-2026-21962 — Oracle / HTTP Server and Oracle Weblogic Server Proxy Plug-invulnKEV agrega CVE-2026-73570 — Synacor / Zimbra Collaboration Suite (ZCS)vulnKEV agrega CVE-2026-72530 — TrueConf / ServervulnKEV agrega CVE-2026-72529 — TrueConf / Server

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%

2026-08-022026-08-31

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-2024-94747.2 HIG

KEV—80Palo Alto Networks PAN-OS Management Interface OS Command Injection Vulnerability28d CVE-2024-00129.8 CRI

KEV—80Palo Alto Networks PAN-OS Management Interface Authentication Bypass Vulnerability28d CVE-2019-15798.1 HIG

KEV—80Palo Alto Networks PAN-OS Remote Code Execution Vulnerability20d CVE-2024-3400—

KEV—80Palo Alto Networks PAN-OS Command Injection Vulnerability—CVE-2025-0108—

KEV—80Palo Alto Networks PAN-OS Authentication Bypass Vulnerability—CVE-2017-15944—

KEV—80Palo Alto Networks PAN-OS Remote Code Execution Vulnerability—