{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2021-3057","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-04-11T00:32:53.527Z","generator":{"date":"2026-04-11T00:32:53.527Z","engine":{"name":"Vulnogram","version":"0.0.9"}},"id":"CVE-2021-3057","initial_release_date":"2021-10-13T16:00:00.000Z","revision_history":[{"number":"1","date":"2021-10-13T09:00:00.000Z","summary":"Initial publication"},{"number":"2","date":"2021-10-18T16:30:00.000Z","summary":"Updated affected platforms"},{"number":"3","date":"2021-11-05T13:30:00.000Z","summary":"Updated fixed versions"},{"number":"4","date":"2021-11-23T15:00:00.000Z","summary":"Updated fixed versions for Linux platforms"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[]}]},"vulnerabilities":[{"cve":"CVE-2021-3057","product_status":{"fixed":["PANW-GlobalProtect-App-62","PANW-GlobalProtect-App-64"],"known_affected":["PANW-GlobalProtect-App-61","PANW-GlobalProtect-App-62","PANW-GlobalProtect-App-63","PANW-GlobalProtect-App-64"],"known_not_affected":["PANW-GlobalProtect-App-65"]},"notes":[{"category":"description","text":"A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges.\n"}],"references":[{"category":"external","summary":"NVD - CVE-2021-3057","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3057"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2021-3057","url":"https://security.paloaltonetworks.com/CVE-2021-3057"}],"threats":[{"category":"impact","description":"A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges.\n"}],"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"},"products":["PANW-GlobalProtect-App-61","PANW-GlobalProtect-App-62","PANW-GlobalProtect-App-63","PANW-GlobalProtect-App-64"]}]}]}