CVE-2020-2040: PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enabled
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.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is CVE-2020-2040?
CVE-2020-2040 is a buffer overflow vulnerability in PAN-OS that allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges.
Who is affected by CVE-2020-2040?
This vulnerability impacts all versions of Paloaltonetworks Pan-os from 8.0.0 to 8.0.20, from 8.1.0 to 8.1.15, from 9.0.0 to 9.0.9, and from 9.1.0 to 9.1.3.
How can an attacker exploit CVE-2020-2040?
An attacker can exploit CVE-2020-2040 by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface.
What is the severity of CVE-2020-2040?
The severity of CVE-2020-2040 is rated as critical with a severity score of 9.8.
Where can I find more information about CVE-2020-2040?
More information about CVE-2020-2040 can be found at the following reference: [Security Palo Alto Networks](https://security.paloaltonetworks.com/CVE-2020-2040).