Is CVE-2020-2021 actively exploited?

Yes. CVE-2020-2021 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2020-2021 be exploited remotely?

The attack vector of CVE-2020-2021 has not been classified yet.

What is the CVSS score of CVE-2020-2021?

CVE-2020-2021 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2020-2021

HIGHCISA KEVIN THE WILD

CVE-2020-2021

Published: March 25, 2022

EPSS:21.13%probability of exploitation in 30 daysPercentile:95.5th

Official Description

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

NVD Source

CISA KEV Advisory

Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

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

Added to KEV: 2022-03-25Federal patch deadline: 2022-04-15⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This vulnerability in Palo Alto Networks PAN-OS allows an attacker to bypass authentication, potentially gaining unauthorized access to systems. The high EPSS score of 0.21125 indicates a significant likelihood of exploitation, making this a critical concern. Its inclusion in CISA's KEV further confirms active exploitation.

This vulnerability has been actively exploited in the wild, and its presence in CISA's KEV confirms its use by threat actors. The remote nature of the authentication bypass suggests it is remotely exploitable.

Recommended Action

Organizations should apply the latest security updates and patches for Palo Alto Networks PAN-OS to address this authentication bypass vulnerability. Implement robust authentication mechanisms and monitor for suspicious access attempts.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-2021 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2020-2021 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.