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4 vulnerabilities found for Prisma SD-WAN ION by Palo Alto Networks
CVE-2026-0243 (GCVE-0-2026-0243)
Vulnerability from nvd – Published: 2026-05-13 19:10 – Updated: 2026-05-14 10:48
VLAI
Title
Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet
Summary
A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0243 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | Prisma SD-WAN ION |
Affected:
6.5.0 , < 25.3.3
(custom)
Affected: 6.4.0 , < 25.1.8 (custom) Affected: 6.3.0 , < 24.3.6 (custom) Unaffected: 6.1.0 (custom) Unaffected: 5.6.0 (custom) |
Date Public
2026-05-13 16:00
Credits
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CVE-2026-0244 (GCVE-0-2026-0244)
Vulnerability from nvd – Published: 2026-05-13 19:03 – Updated: 2026-05-13 19:29
VLAI
Title
Prisma SD-WAN: Improper Certificate Validation Vulnerability
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0244 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | Prisma SD-WAN ION |
Affected:
6.5.0 , < 6.5.3-b15
(custom)
Affected: 6.4.0 , < 6.4.3-b8 (custom) Affected: 6.3.0 , < 6.3.6-b10 (custom) Unaffected: 6.1.0 (custom) Unaffected: 5.6.0 (custom) |
Date Public
2026-05-13 16:00
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CVE-2026-0243 (GCVE-0-2026-0243)
Vulnerability from cvelistv5 – Published: 2026-05-13 19:10 – Updated: 2026-05-14 10:48
VLAI
Title
Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet
Summary
A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0243 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | Prisma SD-WAN ION |
Affected:
6.5.0 , < 25.3.3
(custom)
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Date Public
2026-05-13 16:00
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CVE-2026-0244 (GCVE-0-2026-0244)
Vulnerability from cvelistv5 – Published: 2026-05-13 19:03 – Updated: 2026-05-13 19:29
VLAI
Title
Prisma SD-WAN: Improper Certificate Validation Vulnerability
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0244 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | Prisma SD-WAN ION |
Affected:
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(custom)
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Date Public
2026-05-13 16:00
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"value": "Version Minor Version Suggested Solution\nPrisma SD-WAN ION 6.5 6.5.1 through 6.5.3 Upgrade to 6.5.3-b15 or later.\nPrisma SD-WAN ION 6.4 6.4.1 through 6.4.3 Upgrade to 6.4.3-b8 or later.\nPrisma SD-WAN ION 6.3 6.3.1 through 6.3.6 Upgrade to 6.3.6-b10 or later.\nPrisma SD-WAN ION 6.1 No action needed.\nPrisma SD-WAN ION 5.6 No action needed."
}
],
"source": {
"discovery": "INTERNAL"
},
"timeline": [
{
"lang": "en",
"time": "2026-05-13T16:00:00.000Z",
"value": "Initial publication."
}
],
"title": "Prisma SD-WAN: Improper Certificate Validation Vulnerability",
"workarounds": [
{
"lang": "eng",
"supportingMedia": [
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"type": "text/html",
"value": "\u003cp\u003eNo known workarounds exist for this issue.\u003c/p\u003e"
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"value": "No known workarounds exist for this issue."
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],
"x_affectedList": [
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"assignerShortName": "palo_alto",
"cveId": "CVE-2026-0244",
"datePublished": "2026-05-13T19:03:09.013Z",
"dateReserved": "2025-11-03T20:44:04.828Z",
"dateUpdated": "2026-05-13T19:29:53.580Z",
"state": "PUBLISHED"
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"dataVersion": "5.2"
}