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CVE-2020-1998 Details

Description

An improper authorization vulnerability in PAN-OS that mistakenly uses the permissions of local linux users instead of the intended SAML permissions of the account when the username is shared for the purposes of SSO authentication. This can result in authentication bypass and unintended resource access for the user. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; PAN-OS 9.1 versions earlier than 9.1.1; All versions of PAN-OS 8.0.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://security.paloaltonetworks.com/CVE-2020-1998	CVE	Vendor Advisory
https://security.paloaltonetworks.com/CVE-2020-1998	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]
CWE-285	Improper Authorization	[email protected]

Affected Products

Product	Versions
paloaltonetworks pan-os	>= 7.1.0, < 7.1.26 >= 8.0.0, <= 8.0.20 >= 8.1.0, < 8.1.13 >= 9.0.0, < 9.0.6 >= 9.1.0, < 9.1.1
CPE cpe:2.3:o:paloaltonetworks:pan-os:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
May 19, 2020	Initial Analysis	[email protected]
May 14, 2020	CVE Modified	[email protected]
May 13, 2020	CVE Modified	[email protected]