CVE-2020-2022: PAN-OS: Panorama session disclosure during context switch into managed device

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-11-12 · updated 2026-06-17
Weakness: CWE-200

Description

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. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.17; PAN-OS 9.0 versions earlier than PAN-OS 9.0.11; PAN-OS 9.1 versions earlier than PAN-OS 9.1.5.

Affected products

Palo Alto Networks PAN-OS: from 8.1.0 before 8.1.17; from 9.0.0 before 9.0.11; from 9.1.0 before 9.1.5 — fixed in 8.1.17, 9.0.11, 9.1.5
Palo Alto Networks PAN-OS: from 8.1 before 8.1.17; from 9.0 before 9.0.11; from 9.1 before 9.1.5 — fixed in 8.1.17, 9.0.11, 9.1.5

How to fix

Upgrade to a fixed version: Palo Alto Networks PAN-OS 8.1.17, 9.0.11, 9.1.5; Palo Alto Networks PAN-OS 8.1.17, 9.0.11, 9.1.5. Check the vendor advisory for mitigations.

References

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