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

8.8HIGH

Key Information:

Vendor
CVE Published:
10 November 2021

Badges

๐Ÿ‘พ Exploit Exists

What is CVE-2021-3056?

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.

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Affected Version(s)

PAN-OS 9.0 < 9.0.14

PAN-OS 8.1 < 8.1.20

PAN-OS 9.1 < 9.1.9

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was found by Nicholas Newsom of Palo Alto Networks during an internal security review.
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