HIGH · 8.1

CVE-2026-0244

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.

Vulnerability 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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
PaloaltonetworksPrisma Sd-Wan>= 6.3.1, < 6.3.6
PaloaltonetworksIon 1200-
PaloaltonetworksIon 1200-C-Na-
PaloaltonetworksIon 1200-C-Row-
PaloaltonetworksIon 1200-C5G-Ww-
PaloaltonetworksIon 1200-S-
PaloaltonetworksIon 1200-S-C-Na-
PaloaltonetworksIon 1200-S-C-Row-
PaloaltonetworksIon 1200-S-C5G-Ww-
PaloaltonetworksIon 3102V-
PaloaltonetworksIon 3104V-
PaloaltonetworksIon 3108V-
PaloaltonetworksIon 3200-
PaloaltonetworksIon 3200H-
PaloaltonetworksIon 3200H-C5G-Ww-
PaloaltonetworksIon 5200-
PaloaltonetworksIon 7108V-
PaloaltonetworksIon 7116V-
PaloaltonetworksIon 9200-
PaloaltonetworksPa-5440-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-0244?

CVE-2026-0244 is a vulnerability with a CVSS score of 8.1 (HIGH). 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.

How severe is CVE-2026-0244?

CVE-2026-0244 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-0244?

Check the references section above for vendor advisories and patch information. Affected products include: Paloaltonetworks Prisma Sd-Wan, Paloaltonetworks Ion 1200, Paloaltonetworks Ion 1200-C-Na, Paloaltonetworks Ion 1200-C-Row, Paloaltonetworks Ion 1200-C5G-Ww.