CVE-2020-2040 CRITICAL

CVE-2020-2040: PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enabled

Vendor Palo Alto Networks
Product PAN-OS
Weakness CWE-120
Published September 9, 2020
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3.

Key dates

02Disclosure timeline

September 9, 2020 CVE published
September 16, 2024 Record updated