Vulnerability identifier: #VU58106
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-755
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Palo Alto PAN-OS
Operating systems & Components /
Operating system
Vendor: Palo Alto Networks, Inc.
Description
The vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to improper handling of exceptional conditions in GlobalProtect portal and gateway interfaces. A remote non-authenticated attacker can send specifically crafted traffic to a GlobalProtect interface that causes the service to stop responding.
Successful exploitation of the vulnerability may result in a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Palo Alto PAN-OS: 10.1.0 - 10.1.2, 10.0.0 - 10.0.8, 9.1 - 9.1.11-h2, 9.0 - 9.0.14-h3, 8.1 - 8.1.20-h1
External links
http://security.paloaltonetworks.com/CVE-2021-3063
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.