Detections
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Palo Alto Networks Prisma SD-WAN ION 6.1.x < 6.1.5 / 6.2.x < 6.2.3 DoS (CVE-2023-38802)

high Nessus Plugin ID 298999

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Synopsis

The remote Palo Alto Networks Prisma SD-WAN ION device is affected by a denial of service vulnerability.

Description

The version of the remote Palo Alto Networks Prisma SD-WAN ION device is 6.1.x prior to 6.1.5, or 6.2.x prior to 6.2.3. It is, therefore, affected by a denial of service vulnerability:

 - FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation). (CVE-2023-38802)

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

Solution

Upgrade to Palo Alto Networks Prisma SD-WAN ION version 6.1.5, or 6.2.3 or later.

See Also

https://security.paloaltonetworks.com/CVE-2023-38802

Plugin Details

Severity: High

ID: 298999

File Name: palo_alto_prisma_sd-wan_ion_CVE-2023-38802.nasl

Version: 1.2

Type: local

Published: 2/13/2026

Updated: 2/16/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-38802

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 6.9

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

CPE: cpe:/o:paloaltonetworks:prisma_ion_os, cpe:/h:paloaltonetworks:prisma_ion

Required KB Items: installed_sw/Palo Alto Networks Prisma ION

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/13/2023

Vulnerability Publication Date: 9/13/2023

Reference Information

CVE: CVE-2023-38802