PAN-OS: Management web interface denial-of-service (DoS) through unauthenticated file upload
Vulnerability Description
An uncontrolled resource consumption vulnerability in Palo Alto Networks PAN-OS allows for a remote unauthenticated user to upload temporary files through the management web interface that are not properly deleted after the request is finished. It is possible for an attacker to disrupt the availability of the management web interface by repeatedly uploading files until available disk space is exhausted. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.10; PAN-OS 9.1 versions earlier than PAN-OS 9.1.4; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-2039
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Palo Alto Networks thanks Mikhail Klyuchnikov and Nikita Abramov of Positive Technologies for discovering and reporting this issue.
More from Palo Alto Networks
View All →Affected Vendor
Palo Alto Networks
View all reports →