CVE-2021-3062

HIGH

PAN-OS <8.1.20, <9.1.11 - Privilege Escalation

Title source: llm
STIX 2.1

Description

An improper access control vulnerability in PAN-OS software enables an attacker with authenticated access to GlobalProtect portals and gateways to connect to the EC2 instance metadata endpoint for VM-Series firewalls hosted on Amazon AWS. Exploitation of this vulnerability enables an attacker to perform any operations allowed by the EC2 role in AWS. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20 VM-Series firewalls; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11 VM-Series firewalls; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14 VM-Series firewalls; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8 VM-Series firewalls. Prisma Access customers are not impacted by this issue.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://security.paloaltonetworks.com/CVE-2021-3062

Scores

CVSS v3 8.1
EPSS 0.0036
EPSS Percentile 58.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-284
Status published
Products (1)
paloaltonetworks/pan-os 8.1.0 - 8.1.20
Published Nov 10, 2021
Tracked Since Feb 18, 2026