{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"PAN-OS: Improper Access Control Vulnerability Exposing AWS Instance Metadata Endpoint to GlobalProtect Users"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2021-3062","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-04-08T08:10:00.907Z","generator":{"date":"2026-04-08T08:10:00.907Z","engine":{"name":"Vulnogram","version":"0.0.9"}},"id":"CVE-2021-3062","initial_release_date":"2021-11-10T17:00:00.000Z","revision_history":[{"number":"1","date":"2021-11-10T09:00:00.000Z","summary":"Initial publication"},{"number":"2","date":"2021-11-17T14:40:00.000Z","summary":"Updated credit"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[]}]},"vulnerabilities":[{"cve":"CVE-2021-3062","product_status":{"fixed":["PANW-PAN-OS-272","PANW-PAN-OS-289","PANW-PAN-OS-290","PANW-PAN-OS-275"],"known_affected":["PANW-PAN-OS-272","PANW-PAN-OS-289","PANW-PAN-OS-290","PANW-PAN-OS-275"],"known_not_affected":["PANW-PAN-OS-271","PANW-Prisma-Access-19","PANW-Prisma-Access-18"]},"notes":[{"category":"description","text":"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.\n\nExploitation of this vulnerability enables an attacker to perform any operations allowed by the EC2 role in AWS."}],"references":[{"category":"external","summary":"NVD - CVE-2021-3062","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3062"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2021-3062","url":"https://security.paloaltonetworks.com/CVE-2021-3062"}],"threats":[{"category":"impact","description":"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.\n\nExploitation of this vulnerability enables an attacker to perform any operations allowed by the EC2 role in AWS."}],"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH"},"products":["PANW-PAN-OS-272","PANW-PAN-OS-289","PANW-PAN-OS-290","PANW-PAN-OS-275"]}]}]}