title: GlobalProtect App: Improper Link Resolution Vulnerability Leads to Local Privilege Escalation
description: An improper link resolution before file access ('link following') vulnerability exists in the Palo Alto Networks GlobalProtect app on Windows that enables a local attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges under certain circumstances. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.10 on Windows. GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.5 on Windows. This issue does not affect GlobalProtect app on other platforms.
problem types: CWE-59 Improper Link Resolution Before File Access ('Link Following')
affected:
{
platforms: Windows
product: GlobalProtect App
vendor: Palo Alto Networks
versions:
changes: [at: 5.2.5, status: unaffected], lessThan: 5.2.5, status: affected, version: 5.2, versionType: custom
changes: [at: 5.1.10, status: unaffected], lessThan: 5.1.10, status: affected, version: 5.1, versionType: custom
}
{
product: GlobalProtect App
vendor: Palo Alto Networks
versions:
status: unaffected, version: 5.3.*
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/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 5.1.10 on Windows, GlobalProtect app 5.2.5 on Windows and all later GlobalProtect app versions.
workarounds: There are no known workarounds for this issue.