Vulnerability identifier: #VU58112

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3062

CWE-ID: CWE-284

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 user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user with access to GlobalProtect portals and gateways can connect to the EC2 instance metadata endpoint for VM-Series firewalls hosted on Amazon AWS.

Note, the vulnerability affects PAN-OS deployment on VM-Series.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 10.0.0 - 10.0.7, 9.1 - 9.1.10, 9.0 - 9.0.13, 8.1 - 8.1.19

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External links
http://security.paloaltonetworks.com/CVE-2021-3062

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.