CVE-2021-3055

Published: Sep 8, 2021Modified: Nov 21, 2024

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

Exploitability: 1.2 / Impact: 5.2

Source: NVD

Description

An improper restriction of XML external entity (XXE) reference vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system and send a specifically crafted request to the firewall that causes the service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10; PAN-OS 10.0 versions earlier than PAN-OS 10.0.6. This issue does not affect Prisma Access.

Affected (4)

Products: Paloaltonetworks: Pan Os

Paloaltonetworks

1 product

Pan Os

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Paloaltonetworks Pan Os	From 10.0.0 to 10.0.6
Paloaltonetworks Pan Os	From 8.1.0 to 8.1.20
Paloaltonetworks Pan Os	From 9.0.0 to 9.0.14
Paloaltonetworks Pan Os	From 9.1.0 to 9.1.10

Related CWEs

CWE-611

Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

References (2)

https://security.paloaltonetworks.com/CVE-2021-3055

Source: psirt@paloaltonetworks.com

Vendor Advisory

https://security.paloaltonetworks.com/CVE-2021-3055

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.