TI-2020-01914 Aliases CVE-2020-1998 GHSA-mhxp-v7wq-3qqc

PAN-OS: Improper SAML SSO authorization of shared local users

MEDIUM 40CWE-285Published 2020-05-13 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-285.

Summary

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.

Why it matters now

EPSS 0.00892 59th percentileScored 2026-11-07

Fix Fixed PAN-OS (Palo Alto Networks): 8.1.13, 7.1.26, 9.0.6 +1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Palo Alto Networks	PAN-OS	all versions; 8.1 to before 8.1.13; 7.1 to before 7.1.26; 9.0 to before 9.0.6; 9.1 to before 9.1.1	8.1.13, 7.1.26, 9.0.6, 9.1.1	Patch available	CNA

PAN-OS VendorPalo Alto Networks Affected all versions; 8.1 to before 8.1.13; 7.1 to before 7.1.26; 9.0 to before 9.0.6; 9.1 to before 9.1.1 Fixed in 8.1.13, 7.1.26, 9.0.6, 9.1.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:paloaltonetworks:pan-os::::::::	7.1.0 to before 7.1.26; 8.0.0 – 8.0.20; 8.1.0 to before 8.1.13; 9.0.0 to before 9.0.6; 9.1.0 to before 9.1.1	Vulnerable	CyberArk Software, a Palo Alto Networks Company

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* Versions 7.1.0 to before 7.1.26; 8.0.0 – 8.0.20; 8.1.0 to before 8.1.13; 9.0.0 to before 9.0.6; 9.1.0 to before 9.1.1 Vulnerable ·CyberArk Software, a Palo Alto Networks Company

Remediation

Fix · CNA PAN-OS (Palo Alto Networks) Fixed in 8.1.13, 7.1.26, 9.0.6, 9.1.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2020-05-13
Palo Alto Networks PAN-OS 7.1.26, 8.1.13 and 2 more versions
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2020-01929 PAN-OS: Panorama context switch session cookie disclosurePriority LOW 39
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2020-1998
2026-10-03 Alias added: GHSA-mhxp-v7wq-3qqc

References

Advisory 1

https://security.paloaltonetworks.com/CVE-2020-1998

TI-2024-08782 Expedition: Unauthenticated OS Command Injection Vulnerability Leads to Firewall Credential Disclosure KEVCVSS 4.0CRITICAL 9.9
TI-2024-03172 PAN-OS: Arbitrary File Creation Leads to OS Command Injection Vulnerability in GlobalProtect KEVCVSS 3.1CRITICAL 10.0
TI-2020-01936 PAN-OS: Authentication Bypass in SAML Authentication KEVCVSS 3.1CRITICAL 10.0
TI-2017-11675 Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and… KEVCVSS 3.1CRITICAL 9.8
TI-2026-00239 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal KEVCVSS 4.0CRITICAL 9.3
TI-2024-08784 Expedition: SQL Injection Leads to Firewall Admin Credential Disclosure KEVCVSS 4.0CRITICAL 9.2

See all 367 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences