Palo Alto Networks PAN-OS 8.1.x < 8.1.17 / 9.0.x < 9.0.11 / 9.1.x < 9.1.5 Vulnerability

high Nessus Plugin ID 142876


The remote PAN-OS host is affected by a vulnerability


The version of Palo Alto Networks PAN-OS running on the remote host is 8.1.x prior to 8.1.17 or 9.0.x prior to 9.0.11 or 9.1.x prior to 9.1.5. It is, therefore, affected by a vulnerability.

- An information exposure vulnerability exists in Palo Alto Networks Panorama software that discloses the token for the Panorama web interface administrator's session to a managed device when the Panorama administrator performs a context switch into that device. This vulnerability allows an attacker to gain privileged access to the Panorama web interface. An attacker requires some knowledge of managed firewalls to exploit this issue. (CVE-2020-2022)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Upgrade to PAN-OS 8.1.17 / 9.0.11 / 9.1.5 or later

See Also

Plugin Details

Severity: High

ID: 142876

File Name: palo_alto_CVE-2020-2022.nasl

Version: 1.5

Type: combined

Published: 11/13/2020

Updated: 2/19/2021

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-2022


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:paloaltonetworks:pan-os

Required KB Items: Host/Palo_Alto/Firewall/Version, Host/Palo_Alto/Firewall/Full_Version, Host/Palo_Alto/Firewall/Source

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2020

Vulnerability Publication Date: 11/11/2020

Reference Information

CVE: CVE-2020-2022

CWE: 200

IAVA: 2020-A-0522-S