What is the severity of CVE-2020-2018?

CVE-2020-2018 is classified as a critical severity vulnerability.

How do I fix CVE-2020-2018?

To fix CVE-2020-2018, upgrade your PAN-OS to a version beyond 7.1.26, 8.0.20, 8.1.12, or 9.0.6.

What is the impact of CVE-2020-2018?

The impact of CVE-2020-2018 allows an attacker to bypass authentication and gain unauthorized privileged access to managed firewalls.

Which products are affected by CVE-2020-2018?

CVE-2020-2018 affects multiple versions of Palo Alto Networks PAN-OS.

Who can exploit CVE-2020-2018?

An attacker with network access and knowledge of managed firewalls can exploit CVE-2020-2018.

Vulnerability/
CVE-2020-2018

critical

9.3

CWE

287

13/5/2020

16/9/2024

CVE-2020-2018: PAN-OS: Panorama authentication bypass vulnerability

First published: Wed May 13 2020(Updated: )

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. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.12; PAN-OS 9.0 versions earlier than 9.0.6; All versions of PAN-OS 8.0.

Credit: psirt@paloaltonetworks.com

Affected Software	Affected Version	How to fix
Palo Alto Networks PAN-OS	>=7.1.0<7.1.26
Palo Alto Networks PAN-OS	>=8.0.0<=8.0.20
Palo Alto Networks PAN-OS	>=8.1.0<8.1.12
Palo Alto Networks PAN-OS	>=9.0.0<9.0.6

Remedy

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. Upgrading Panorama to a fixed version is sufficient to resolve the issue. 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.

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Reference Links

https://security.paloaltonetworks.com/CVE-2020-2018

Frequently Asked Questions

What is the severity of CVE-2020-2018?
CVE-2020-2018 is classified as a critical severity vulnerability.
How do I fix CVE-2020-2018?
To fix CVE-2020-2018, upgrade your PAN-OS to a version beyond 7.1.26, 8.0.20, 8.1.12, or 9.0.6.
What is the impact of CVE-2020-2018?
The impact of CVE-2020-2018 allows an attacker to bypass authentication and gain unauthorized privileged access to managed firewalls.
Which products are affected by CVE-2020-2018?
CVE-2020-2018 affects multiple versions of Palo Alto Networks PAN-OS.
Who can exploit CVE-2020-2018?
An attacker with network access and knowledge of managed firewalls can exploit CVE-2020-2018.

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