CVE-2020-2011

HIGH

Palo Alto Networks PAN-OS 7.1.0-7.1.25 - Unauthenticated Denial of Service via Crafted Registration Request

Title source: llm
STIX 2.1

Description

An improper input validation vulnerability in the configuration daemon of Palo Alto Networks PAN-OS Panorama allows for a remote unauthenticated user to send a specifically crafted registration request to the device that causes the configuration service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS Panorama services by restarting the device and putting it into maintenance mode. This issue affects: All versions of PAN-OS 7.1, PAN-OS 8.0; PAN-OS 8.1 versions earlier than 8.1.14; PAN-OS 9.0 versions earlier than 9.0.7; PAN-OS 9.1 versions earlier than 9.1.0.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://security.paloaltonetworks.com/CVE-2020-2011

Scores

CVSS v3 7.5
EPSS 0.0058
EPSS Percentile 69.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (1)
paloaltonetworks/pan-os 7.1.0 - 7.1.26
Published May 13, 2020
Tracked Since Feb 18, 2026