Home / Vulnerabilities / CVE-2020-2021
CRITICAL SEVERITY Ransomware Linked
CVE-2020-2021 Palo Alto Networks · PAN-OS

Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

CRITICAL
10 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

21.12 %
Predictive Probability
Percentile Rank
95.5 th

Documented as more likely to be exploited than 95.5% of known CVEs.

Detection Date

Mar 25, 2022

Remediation Due

Apr 15, 2022

CISA Catalog Active

Threat Analysis

Palo Alto Networks PAN-OS contains a vulnerability in SAML which allows an attacker to bypass authentication.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

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