VULNERABILITY INTELLIGENCE
CVE-2020-2040
CVSS score9.8 CRITICAL
EPSS probability3.94%
CISA KEVNot currently listed
Published2020-09-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- psirt@paloaltonetworks.com: CWE-120
- nvd@nist.gov: CWE-120
Primary references
- psirt@paloaltonetworks.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory