CVE-2026-0244

MEDIUM

Prisma SD-WAN: Improper Certificate Validation Vulnerability

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://security.paloaltonetworks.com/CVE-2026-0244

Scores

CVSS v4 5.2
EPSS 0.0011
EPSS Percentile 1.4%
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:M/U:Amber

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-295
Status published
Products (5)
Palo Alto Networks/Prisma SD-WAN ION 5.6.0
Palo Alto Networks/Prisma SD-WAN ION 6.1.0
Palo Alto Networks/Prisma SD-WAN ION 6.3.0 - 6.3.6-b10
Palo Alto Networks/Prisma SD-WAN ION 6.4.0 - 6.4.3-b8
Palo Alto Networks/Prisma SD-WAN ION 6.5.0 - 6.5.3-b15
Published May 13, 2026
Tracked Since May 14, 2026