Published: 08/09/2021 Updated: 15/09/2021

CVSS v2 Base Score: 7.5 | Impact Score: 7.8 | Exploitability Score: 8

CVSS v3 Base Score: 6.5 | Impact Score: 5.2 | Exploitability Score: 1.2

VMScore: 668

Vector: AV:N/AC:L/Au:S/C:P/I:N/A:C

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.

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paloaltonetworks pan-os

CVE-2021-3055 PAN-OS: XML External Entity (XXE) Reference Vulnerability in the PAN-OS Web Interface ...

CWE-611 https://security.paloaltonetworks.com/CVE-2021-3055 https://nvd.nist.gov https://security.paloaltonetworks.com/CVE-2021-3055

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CVE-2021-3055

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