Vulnerability identifier: #VU52224
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-248
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
GlobalProtect Agent
Client/Desktop applications /
Antivirus software/Personal firewalls
Vendor: Palo Alto Networks, Inc.
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to uncaught exception in Windows VPN kernel driver. A local user can pass specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
GlobalProtect Agent: 5.1.0 - 5.2.3
External links
http://security.paloaltonetworks.com/CVE-2021-3038
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.