{"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: Missing certificate validation vulnerability can disclose pre-logon authentication cookie"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2020-2033","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-04-11T00:26:43.218Z","generator":{"date":"2026-04-11T00:26:43.218Z","engine":{"name":"Vulnogram","version":"0.0.9"}},"id":"CVE-2020-2033","initial_release_date":"2020-06-10T16:00:00.000Z","revision_history":[{"number":"1","date":"2020-06-10T09:00:00.000Z","summary":"Initial publication"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[]}]},"vulnerabilities":[{"cve":"CVE-2020-2033","product_status":{"fixed":["PANW-GlobalProtect-App-68","PANW-GlobalProtect-App-69"],"known_affected":["PANW-GlobalProtect-App-68","PANW-GlobalProtect-App-69"]},"notes":[{"category":"description","text":"When the pre-logon feature is enabled, a missing certification validation in Palo Alto Networks GlobalProtect app can disclose the pre-logon authentication cookie to a man-in-the-middle attacker on the same local area network segment with the ability to manipulate ARP or to conduct ARP spoofing attacks. This allows the attacker to access the GlobalProtect Server as allowed by configured Security rules for the 'pre-login' user. This access may be limited compared to the network access of regular users."}],"references":[{"category":"external","summary":"NVD - CVE-2020-2033","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2033"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2020-2033","url":"https://security.paloaltonetworks.com/CVE-2020-2033"}],"threats":[{"category":"impact","description":"When the pre-logon feature is enabled, a missing certification validation in Palo Alto Networks GlobalProtect app can disclose the pre-logon authentication cookie to a man-in-the-middle attacker on the same local area network segment with the ability to manipulate ARP or to conduct ARP spoofing attacks. This allows the attacker to access the GlobalProtect Server as allowed by configured Security rules for the 'pre-login' user. This access may be limited compared to the network access of regular users."}],"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"products":["PANW-GlobalProtect-App-68","PANW-GlobalProtect-App-69"]}]}]}