CVE-2020-1998

MEDIUM

PAN-OS 7.1.0-7.1.25 - Authentication Bypass via SAML Username Sharing

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://security.paloaltonetworks.com/CVE-2020-1998

Scores

CVSS v3 5.4
EPSS 0.0022
EPSS Percentile 44.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Details

CWE
CWE-285 CWE-863
Status published
Products (1)
paloaltonetworks/pan-os 7.1.0 - 7.1.26
Published May 13, 2020
Tracked Since Feb 18, 2026