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AUSCERT External Security Bulletin Redistribution
Panorama proxy service authorization bypass
14 May 2020
AusCERT Security Bulletin Summary
Product: Panorama proxy service
Publisher: Palo Alto
Operating System: Network Appliance
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
CVE Names: CVE-2020-2018
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Palo Alto Networks Security Advisories / CVE-2020-2018
CVE-2020-2018 PAN-OS: Panorama proxy service authorization bypass
Severity 9 . CRITICAL
Attack Vector NETWORK
Attack Complexity HIGH
Privileges Required NONE
User Interaction NONE
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH
An authentication bypass vulnerability in Palo Alto Networks PAN-OS Panorama
proxy service allows an unauthenticated user with network access to Panorama
and the knowledge of the Firewall's serial number to register the PAN-OS
firewall to register the device. After the PAN-OS device is registered, the
user can further compromise the PAN-OS instances managed by Panorama.
This issue affects:
PAN-OS 7.1 versions earlier than 7.1.26;
All versions of PAN-OS 8.0;
PAN-OS 8.1 versions earlier than 8.1.12;
PAN-OS 9.0 versions earlier than 9.0.6
Versions Affected Unaffected
9.0 < 9.0.6 >= 9.0.6
8.1 < 8.1.12 >= 8.1.12
7.1 < 7.1.26 >= 7.1.26
CVSSv3.1 Base Score: 9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)
This issue is fixed in PAN-OS 7.1.26, PAN-OS 8.1.12, PAN-OS 9.0.6, and all
later PAN-OS versions. PAN-OS 8.0 is now end-of-life as of October 31, 2019,
and is no longer covered by our Product Security Assurance policies.
Workarounds and Mitigations
This issue affects the management interface of PAN-OS and is strongly mitigated
by following best practices for securing the PAN-OS management interface.
Please review the Best Practices for Securing Administrative Access in the
PAN-OS technical documentation, available at: https://docs.paloaltonetworks.com
This issue was found by Ben Nott of Palo Alto Networks during internal security
2020-05-13 Initial publication
Policy Report vulnerabilitiesManage subscriptions
(C) 2020 Palo Alto Networks, Inc. All rights reserved.
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