{"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: Local denial-of-service (DoS) vulnerability on MacOS"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2020-1976","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-04-08T08:02:03.393Z","generator":{"date":"2026-04-08T08:02:03.393Z","engine":{"name":"Vulnogram","version":"0.0.9"}},"id":"CVE-2020-1976","initial_release_date":"2020-02-12T17:00:00.000Z","revision_history":[{"number":"1","date":"2026-04-08T01:02:03.000Z","summary":"Initial release"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[]}]},"vulnerabilities":[{"cve":"CVE-2020-1976","product_status":{"fixed":["PANW-GlobalProtect-App-78"],"known_affected":["PANW-GlobalProtect-App-76"]},"notes":[{"category":"description","text":"A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect App running on Mac OS allows authenticated local users to cause the Mac OS kernel to hang or crash.\nThis issue affects GlobalProtect App 5.0.5 and earlier versions of GlobalProtect App 5.0 on Mac OS.\n"}],"references":[{"category":"external","summary":"NVD - CVE-2020-1976","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1976"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2020-1976","url":"https://security.paloaltonetworks.com/CVE-2020-1976"}],"threats":[{"category":"impact","description":"A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect App running on Mac OS allows authenticated local users to cause the Mac OS kernel to hang or crash.\nThis issue affects GlobalProtect App 5.0.5 and earlier versions of GlobalProtect App 5.0 on Mac OS.\n"}],"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":4.7,"baseSeverity":"MEDIUM"},"products":["PANW-GlobalProtect-App-76"]}]}]}