CVE-2022-0016

GlobalProtect App: Privilege Escalation Vulnerability When Using Connect Before Logon

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se presenta una vulnerabilidad de manejo inapropiado de condiciones excepcionales en la funcionalidad Connect Before Logon de GlobalProtect app de Palo Alto Networks que permite a un atacante local escalar a privilegios SYSTEM o root cuando es autenticado con Connect Before Logon en determinadas circunstancias. Este problema afecta a GlobalProtect app versiones 5.2 anteriores a 5.2.9 en Windows y MacOS. Este problema no afecta a GlobalProtect app en otras plataformas

*Credits: Palo Alto Networks thanks Adam Crosser (Praetorian), Brian Sizemore (Praetorian) and N. Sao (Genetec) for independently discovering and reporting this issue.

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-28 CVE Reserved
2022-02-10 CVE Published
2023-03-08 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-703: Improper Check or Handling of Exceptional Conditions
CWE-755: Improper Handling of Exceptional Conditions

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://security.paloaltonetworks.com/CVE-2022-0016	2022-02-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Paloaltonetworks Search vendor "Paloaltonetworks"	Globalprotect Search vendor "Paloaltonetworks" for product "Globalprotect"	>= 5.2 < 5.2.9 Search vendor "Paloaltonetworks" for product "Globalprotect" and version " >= 5.2 < 5.2.9"	-	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Paloaltonetworks Search vendor "Paloaltonetworks"	Globalprotect Search vendor "Paloaltonetworks" for product "Globalprotect"	>= 5.2 < 5.2.9 Search vendor "Paloaltonetworks" for product "Globalprotect" and version " >= 5.2 < 5.2.9"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe