// For flags

CVE-2021-3038

GlobalProtect App: Windows VPN kernel driver denial of service (DoS)

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect app on Windows systems allows a limited Windows user to send specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.8; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.4.

Una vulnerabilidad de denegación de servicio (DoS) en la aplicación Palo Alto Networks GlobalProtect en sistemas Windows, permite a un usuario limitado de Windows enviar información específicamente diseñada a la aplicación GlobalProtect que resulta en un error de pantalla azul de finalización (BSOD) de Windows. Este problema afecta a: la aplicación GlobalProtect versiones 5.1 anteriores a la aplicación GlobalProtect versión 5.1.8; la aplicación GlobalProtect versiones 5.2 anteriores a la aplicación GlobalProtect versión 5.2.4

*Credits: Palo Alto Networks thanks Christophe Schleypen from NCIA / NCIRC for discovering and reporting this issue.
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-06 CVE Reserved
  • 2021-04-20 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-248: Uncaught Exception
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://security.paloaltonetworks.com/CVE-2021-3038 2022-10-27
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"
 >= 5.1.0 < 5.1.8
Search vendor "Paloaltonetworks" for product "Globalprotect" and version " >= 5.1.0 < 5.1.8"
windows
Affected
Paloaltonetworks
Search vendor "Paloaltonetworks"
 Globalprotect
Search vendor "Paloaltonetworks" for product "Globalprotect"
 >= 5.2.0 < 5.2.4
Search vendor "Paloaltonetworks" for product "Globalprotect" and version " >= 5.2.0 < 5.2.4"
windows
Affected