CVE-2026-0244 - Vulnerability Details - OpenCVE

An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Palo Alto Networks	Prisma Sd-wan Ion

No data.

No data.

References

Link	Providers
https://www.spirityenterprise.com/digital-risk-protection
https://security.paloaltonetworks.com/CVE-2026-0244

History

Wed, 13 May 2026 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 13 May 2026 19:15:00 +0000

Type	Values Removed	Values Added
Description		An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.
Title		Prisma SD-WAN: Improper Certificate Validation Vulnerability
First Time appeared		Palo Alto Networks Palo Alto Networks prisma Sd-wan Ion
Weaknesses		CWE-295
CPEs		cpe:2.3:h:palo_alto_networks:prisma_sd-wan_ion::::::::
Vendors & Products		Palo Alto Networks Palo Alto Networks prisma Sd-wan Ion
References		https://security.paloaltonetworks.com/CVE-2026-0244
Metrics		cvssV4_0 `{'score': 5.2, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/V:D/RE:M/U:Amber'}`

MITRE

Status: PUBLISHED

Assigner: palo_alto

Published: 2026-05-13T19:03:09.013Z

Updated: 2026-05-13T19:29:53.580Z

Reserved: 2025-11-03T20:44:04.828Z

Link: CVE-2026-0244

Vulnrichment

Updated: 2026-05-13T19:29:48.013Z

NVD

Status : Received

Published: 2026-05-13T19:16:58.297

Modified: 2026-05-13T19:16:58.297

Link: CVE-2026-0244

Redhat

No data.

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