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Palo Alto Networks PAN-OS 11.1.x < 11.1.16-h3 / 11.2.x < 11.2.16 / 12.1.x < 12.1.10-h2 / 12.2.x < 12.2.4 Vulnerability

medium Nessus Plugin ID 365779

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 11.1.x prior to 11.1.16-h3, 11.2.x prior to 11.2.16, 12.1.x prior to 12.1.10-h2, or 12.2.x prior to 12.2.4. It is, therefore, affected by a vulnerability.

 A denial of service vulnerability in Palo Alto Networks PAN-OS software enables an authenticated user with a read-only administrator roleto cause a denial of service (DoS) condition by sending a specially crafted API request.

 The security risk posed by this issue is significantly minimized by restricting access to the management web interface to only trusted internal IP addresses according to our recommended best practice deployment guidelines (https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the- management-access-of-your-palo/ba-p/464431).

 Cloud NGFW, Panorama, and Prisma Access are not affected by this vulnerability.


Tenable has extracted the preceding description block directly from the PAN-OS security advisory.

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 11.1.16-h3 / 11.2.16 / 12.1.10-h2 / 12.2.4 or later

See Also

https://security.paloaltonetworks.com/CVE-2026-0317

Plugin Details

Severity: Medium

ID: 365779

File Name: palo_alto_CVE-2026-0317.nasl

Version: 1.1

Type: Combined

Published: 10/14/2026

Updated: 10/14/2026

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.13

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2026-0317

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.1

Threat Score: 1.2

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

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: 10/14/2026

Vulnerability Publication Date: 10/14/2026

Reference Information

CVE: CVE-2026-0317

CWE: 754