National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2020-1998 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 8.8 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Palo Alto Networks, Inc.
Base Score: 5.4 MEDIUM
Vector:  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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Hyperlink Resource
https://security.paloaltonetworks.com/CVE-2020-1998 Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-863 Incorrect Authorization NIST  
CWE-285 Improper Authorization Palo Alto Networks, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
7.1.0
Up to (excluding)
7.1.26
 cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
8.0.0
Up to (including)
8.0.20
 cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
8.1.0
Up to (excluding)
8.1.13
 cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
9.0.0
Up to (excluding)
9.0.6
 cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
9.1.0
Up to (excluding)
9.1.1


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-1998
NVD Published Date:
05/13/2020
NVD Last Modified:
05/19/2020