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paloaltoPalo Alto Networks Product Security Incident Response TeamPA-CVE-2020-2018
HistoryMay 13, 2020 - 4:00 p.m.

PAN-OS: Panorama authentication bypass vulnerability

2020-05-1316:00:00
Palo Alto Networks Product Security Incident Response Team
securityadvisories.paloaltonetworks.com
48

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

0.003 Low

EPSS

Percentile

69.3%

An authentication bypass vulnerability in the Panorama context switching feature allows an attacker with network access to a Panorama’s management interface to gain privileged access to managed firewalls. An attacker requires some knowledge of managed firewalls to exploit this issue.
This issue does not affect Panorama configured with custom certificates authentication for communication between Panorama and managed devices.

Work around:
This issue can be completely mitigated by enabling custom certificates authentication between Panorama and managed firewalls. See https://docs.paloaltonetworks.com/panorama/8-0/panorama-admin/set-up-panorama/set-up-authentication-using-custom-certificates.html

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

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

0.003 Low

EPSS

Percentile

69.3%

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