CVE-2020-2040

critical

Description

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.

References

https://www.tenable.com/blog/one-year-later-what-can-we-learn-from-zerologon

https://www.tenable.com/blog/cve-2020-2040-critical-buffer-overflow-vulnerability-in-pan-os-devices-disclosed

https://www.tenable.com/blog/cve-2020-2040-critical-buffer-overflow-vulnerability-in-pan-os-devices-disclosed

https://security.paloaltonetworks.com/CVE-2020-2040

Details

Source: Mitre, NVD

Published: 2020-09-09

Updated: 2020-09-15

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical