title: GlobalProtect App: Privilege Escalation Vulnerability When Using Connect Before Logon
description: An improper handling of exceptional conditions vulnerability exists within the Connect Before Logon feature of the Palo Alto Networks GlobalProtect app that enables a local attacker to escalate to SYSTEM or root privileges when authenticating with Connect Before Logon under certain circumstances. This issue impacts GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.9 on Windows and MacOS. This issue does not affect the GlobalProtect app on other platforms.
problem types: CWE-703 Improper Check or Handling of Exceptional Conditions
affected:
{
platforms: Windows and MacOS
product: GlobalProtect App
vendor: Palo Alto Networks
versions:
changes: [at: 5.2.9, status: unaffected], lessThan: 5.2.9, status: affected, version: 5.2, versionType: custom
}
{
product: GlobalProtect App
vendor: Palo Alto Networks
versions:
status: unaffected, version: 5.3.*
lessThan: 5.1*, status: unaffected, version: 5.1.*, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.4
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
exploits: Palo Alto Networks is not aware of any malicious exploitation of this issue.
solutions: This issue is fixed in GlobalProtect app 5.2.9 on Windows and MacOS, and all later GlobalProtect app versions.
workarounds: There are no known workarounds for this issue.