CVE-2022-0030: CVE-2022-0030 PAN-OS: Authentication Bypass in Web Interface

Palo Alto Networks Security Advisories / CVE-2022-0030

Attack Vector NETWORK

Scope UNCHANGED

Attack Complexity HIGH

Confidentiality Impact HIGH

Privileges Required NONE

Integrity Impact HIGH

User Interaction NONE

Availability Impact HIGH

NVD JSON

Published 2022-10-12

Updated 2022-10-12

Reference PAN-195571

Discovered externally

Description

An authentication bypass vulnerability in the Palo Alto Networks PAN-OS 8.1 web interface allows a network-based attacker with specific knowledge of the target firewall or Panorama appliance to impersonate an existing PAN-OS administrator and perform privileged actions.

Product Status

Versions

Affected

Unaffected

Cloud NGFW

None

All

PAN-OS 10.2

None

All

PAN-OS 10.1

None

All

PAN-OS 10.0

None

All

PAN-OS 9.1

None

All

PAN-OS 9.0

None

All

PAN-OS 8.1

< 8.1.24

>= 8.1.24

Prisma Access

None

All

Severity:HIGH

CVSSv3.1 Base Score:8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Exploitation Status

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Weakness Type

CWE-290 Authentication Bypass by Spoofing

Solution

This issue is fixed in PAN-OS 8.1.24 and all later PAN-OS versions.

Please note that PAN-OS 8.1 has reached its software end-of-life (EoL) and is supported only on PA-200, PA-500, and PA-5000 Series firewalls and on M-100 appliances and only until each of their respective hardware EoL dates: https://www.paloaltonetworks.com/services/support/end-of-life-announcements/hardware-end-of-life-dates.html.

Workarounds and Mitigations

Customers with a Threat Prevention subscription can block known attacks for this vulnerability by enabling Threat ID 92720 (Applications and Threats content update 8630-7638).

To exploit this issue, the attacker must have network access to the PAN-OS web interface. You can mitigate the impact of this issue by following best practices for securing the PAN-OS web interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation at https://docs.paloaltonetworks.com/best-practices/10-1/administrative-access-best-practices/administrative-access-best-practices/deploy-administrative-access-best-practices.

Acknowledgments

Palo Alto Networks thanks the security researcher that discovered and reported this issue.

Timeline

2022-10-12 Initial publication