What is CVE-2021-3056?

CVE-2021-3056 is a security advisory published by Palo Alto Networks Security Advisories with High severity. CVE-2021-3056 PAN-OS: Memory Corruption Vulnerability in GlobalProtect Clientless VPN During SAML Authentication

Which CVE IDs does CVE-2021-3056 cover?

CVE-2021-3056 covers the following CVE IDs: CVE-2021-3056. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2021-3056?

CVE-2021-3056 affects 2 products, including: Prisma Access; PAN-OS.

CVE-2021-3056High

CVE-2021-3056 PAN-OS: Memory Corruption Vulnerability in GlobalProtect Clientless VPN During SAML Authentication

Vendor

Palo Alto Networks Security Advisories

Published

November 10, 2021

Last Modified

November 10, 2021

🔗 CVE IDs covered (1)

CVE-2021-3056 →

📋 Description

A memory corruption vulnerability in Palo Alto Networks PAN-OS GlobalProtect Clientless VPN enables an authenticated attacker to execute arbitrary code with root user privileges during SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1. Prisma Access customers with Prisma Access 2.1 Preferred firewalls are impacted by this issue.

🎯 Affected products2

Prisma Access
PAN-OS

✅ Remediation

This issue is fixed in PAN-OS 8.1.20, PAN-OS 9.0.14, PAN-OS 9.1.9, PAN-OS 10.0.1, and all later PAN-OS versions. This issue is fixed in Prisma Access 2.2 Preferred and all later Prisma Access versions. Workarounds and mitigations: Enable signatures for Unique Threat ID 91585 on traffic processed by the firewall to block attacks against CVE-2021-3056.

🔗 References (1)

advisoryhttps://security.paloaltonetworks.com/CVE-2021-3056