Read the docs
TI-2021-02200 Aliases CVE-2021-3062GHSA-fr5v-rgrp-ghw9

PAN-OS: Improper Access Control Vulnerability Exposing AWS Instance Metadata Endpoint to GlobalProtect Users

Priority LOW 39CWE-284Published · Updated

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-284.

Summary

An improper access control vulnerability in PAN-OS software enables an attacker with authenticated access to GlobalProtect portals and gateways to connect to the EC2 instance metadata endpoint for VM-Series firewalls hosted on Amazon AWS. Exploitation of this vulnerability enables an attacker to perform any operations allowed by the EC2 role in AWS. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20 VM-Series firewalls; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11 VM-Series firewalls; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14 VM-Series firewalls; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8 VM-Series firewalls. Prisma Access customers are not impacted by this issue.

Why it matters now

EPSS 0.0072 54th percentileScored 2026-11-07
Fix Fixed PAN-OS (Palo Alto Networks): 9.1.11, 8.1.20, 9.0.14 +1Prisma Access (Palo Alto Networks): 2.1 all, 2.2 all

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Palo Alto NetworksPAN-OS9.1 to before 9.1.11; 8.1 to before 8.1.20; 9.0 to before 9.0.14; 10.0 to before 10.0.89.1.11, 8.1.20, 9.0.14, 10.0.8Patch availableCNA
Palo Alto NetworksPrisma Access—2.1 all, 2.2 allPatch availableCNA
  • PAN-OS VendorPalo Alto Networks Affected 9.1 to before 9.1.11; 8.1 to before 8.1.20; 9.0 to before 9.0.14; 10.0 to before 10.0.8 Fixed in 9.1.11, 8.1.20, 9.0.14, 10.0.8 Patch available CNA
  • Prisma Access VendorPalo Alto Networks Affected — Fixed in 2.1 all, 2.2 all Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*8.1.0 to before 8.1.20; 9.0.0 to before 9.0.14; 9.1.0 to before 9.1.11; 10.0.0 to before 10.0.8VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:vm-series_firewall:-:*:*:*:*:*:*:*not specified by NVDRunning onCyberArk Software, a Palo Alto Networks Company

Remediation

  • Fix · CNA PAN-OS (Palo Alto Networks) Fixed in 9.1.11, 8.1.20, 9.0.14, 10.0.8
  • Fix · CNA Prisma Access (Palo Alto Networks) Fixed in 2.1 all, 2.2 all

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3062
  2. 2026-10-03 Alias added: GHSA-fr5v-rgrp-ghw9

References

  • 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