Palo Alto Networks PAN-OS 8.1.x < 8.1.20 / 9.0.x < 9.0.14 / 9.1.x < 9.1.9 / 10.0.x < 10.0.1 Vulnerability

high Nessus Plugin ID 155591

Synopsis

The remote PAN-OS host is affected by a vulnerability

Description

The version of Palo Alto Networks PAN-OS running on the remote host is 8.1.x prior to 8.1.20 or 9.0.x prior to 9.0.14 or 9.1.x prior to 9.1.9 or 10.0.x prior to 10.0.1. It is, therefore, affected by a vulnerability.

- A memory corruption vulnerability in Palo Alto Networks PAN-OS GlobalProtect Clientless VPN enables an authenticated attacker to execute arbitrary code with root user privileges during SAML authentication.
(CVE-2021-3056)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to PAN-OS 8.1.20 / 9.0.14 / 9.1.9 / 10.0.1 or later

See Also

https://security.paloaltonetworks.com/CVE-2021-3056

https://cwe.mitre.org/data/definitions/120.html

Plugin Details

Severity: High

ID: 155591

File Name: palo_alto_CVE-2021-3056.nasl

Version: 1.2

Type: combined

Published: 11/18/2021

Updated: 11/18/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:M/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2021-3056

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:paloaltonetworks:pan-os

Required KB Items: Settings/ParanoidReport, Host/Palo_Alto/Firewall/Version, Host/Palo_Alto/Firewall/Full_Version, Host/Palo_Alto/Firewall/Source

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2021

Vulnerability Publication Date: 11/10/2021

Reference Information

CVE: CVE-2021-3056

CWE: 120