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CVE-2026-0244 Details
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.
A vulnerability allowing improper certificate validation has been identified in Palo Alto Networks Prisma SD-WAN ION. This issue enables a man-in-the-middle (MitM) attacker to impersonate the controller. The vulnerability exists in versions 6.5.1 prior to 6.5.3-b15, 6.4.1 prior to 6.4.3-b8, and 6.3.1 prior to 6.3.6-b10.
Users can upgrade to Prisma SD-WAN ION 6.5.3-b15 or later, 6.4.3-b8 or later, or 6.3.6-b10 or later. For those using versions 6.1 or 5.6, no action is needed.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 13, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0244 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-295 | Improper Certificate Validation | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| paloaltonetworks prisma sd-wan | >= 6.3.1, < 6.3.6 >= 6.4.1, < 6.4.3 >= 6.5.1, < 6.5.3 6.3.6 - 6.3.6 b6 6.3.6 b9 6.4.3 - 6.4.3 b6 6.4.3 b8 6.5.3 - 6.5.3 b11 6.5.3 b9 6.5.3 i-b10 |
CPE
Remediation
| |
| paloaltonetworks ion 1200 | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 1200-c-na | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 1200-c-row | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 1200-c5g-ww | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 1200-s | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 1200-s-c-na | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 1200-s-c-row | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 1200-s-c5g-ww | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 3102v | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 3104v | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 3108v | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 3200 | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 3200h | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 3200h-c5g-ww | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 5200 | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 7108v | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 7116v | All versions |
CPE
Remediation
| |
| paloaltonetworks ion 9200 | All versions |
CPE
Remediation
| |
| paloaltonetworks pa-5440 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 14, 2026 | Initial Analysis | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 13, 2026 | New CVE Received | [email protected] |