CVE-2020-2040

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CVSS 3.1

9.8 critical

EPSS

4%p90

Published

Sep 9, 2020 (Sep 9, 2020)

Modified

Jun 17, 2026

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.

Vendors: paloaltonetworks
Products: pan-os
Weakness: CWE-120
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.9%)

In the news1 stories

Palo Alto Networks fixes severe Code Execution and DoS flaws in PAN

Security AffairsSep 10, 20:23 UTC · Sep 10, 2020Vulnerability CVE-2020-2040 CVE-2020-2036 CVE-2020-2041