{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0243", "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "state": "PUBLISHED", "assignerShortName": "palo_alto", "dateReserved": "2025-11-03T20:44:03.984Z", "datePublished": "2026-05-13T19:10:53.743Z", "dateUpdated": "2026-05-14T10:48:23.055Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "shortName": "palo_alto", "dateUpdated": "2026-05-13T19:10:53.743Z"}, "title": "Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet", "datePublic": "2026-05-13T16:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-606", "description": "CWE-606 Unchecked Input for Loop Condition", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130 Excessive Allocation"}]}], "affected": [{"vendor": "Palo Alto Networks", "product": "Prisma SD-WAN ION", "versions": [{"status": "affected", "version": "6.5.0", "lessThan": "25.3.3", "changes": [{"at": "6.5.3-b15", "status": "unaffected"}], "versionType": "custom"}, {"status": "affected", "version": "6.4.0", "lessThan": "25.1.8", "changes": [{"at": "6.4.3-b8", "status": "unaffected"}], "versionType": "custom"}, {"status": "affected", "version": "6.3.0", "lessThan": "24.3.6", "changes": [{"at": "6.3.6-b10", "status": "unaffected"}], "versionType": "custom"}, {"status": "unaffected", "version": "6.1.0", "versionType": "custom"}, {"status": "unaffected", "version": "5.6.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:palo_alto_networks:prisma_sd-wan_ion:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.5.3-b15", "versionStartIncluding": "6.5.1", "vulnerable": true}, {"criteria": "cpe:2.3:h:palo_alto_networks:prisma_sd-wan_ion:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.4.3-b8", "versionStartIncluding": "6.4.1", "vulnerable": true}, {"criteria": "cpe:2.3:h:palo_alto_networks:prisma_sd-wan_ion:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.3.6-b10", "versionStartIncluding": "6.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "

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.

"}]}], "references": [{"url": "https://security.paloaltonetworks.com/CVE-2026-0243", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "LOW", "exploitMaturity": "UNREPORTED", "Safety": "NOT_DEFINED", "Automatable": "YES", "Recovery": "USER", "valueDensity": "DIFFUSE", "vulnerabilityResponseEffort": "MODERATE", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 4.9, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/AU:Y/R:U/V:D/RE:M/U:Amber"}}], "configurations": [{"lang": "eng", "value": "IPv6 must be enabled (https://docs.paloaltonetworks.com/prisma-sd-wan/administration/prisma-sd-wan-sites-and-devices/prisma-sd-wan-ports-and-interfaces/configure-internet-ports) on the SD-WAN ION device.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "

IPv6 must be enabled on the SD-WAN ION device.

"}]}], "solutions": [{"lang": "eng", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "
VersionMinor VersionSuggested Solution
Prisma SD-WAN ION 6.56.5.1 through 6.5.3Upgrade to 6.5.3-b15 or later.
Prisma SD-WAN ION 6.46.4.1 through 6.4.3Upgrade to 6.4.3-b8 or later.
Prisma SD-WAN ION 6.36.3.1 through 6.3.6Upgrade to 6.3.6-b10 or later.
Prisma SD-WAN ION 6.1
No action needed.
Prisma SD-WAN ION 5.6
No action needed.
"}]}], "exploits": [{"lang": "en", "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "

Palo Alto Networks is not aware of any malicious exploitation of this issue.

"}]}], "timeline": [{"time": "2026-05-13T16:00:00.000Z", "lang": "en", "value": "Initial publication."}], "credits": [{"lang": "en", "value": "Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue.", "type": "other"}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "x_affectedList": ["Prisma SD-WAN ION 6.5.0", "Prisma SD-WAN ION 6.5.1", "Prisma SD-WAN ION 6.5.2", "Prisma SD-WAN ION 6.4.0", "Prisma SD-WAN ION 6.4.1", "Prisma SD-WAN ION 6.4.2", "Prisma SD-WAN ION 6.3.0", "Prisma SD-WAN ION 6.3.1", "Prisma SD-WAN ION 6.3.2", "Prisma SD-WAN ION 6.3.3", "Prisma SD-WAN ION 6.3.4", "Prisma SD-WAN ION 6.3.5"], "workarounds": [{"lang": "eng", "value": "Disable IPv6 on SD-WAN ION devices if not required.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "

Disable IPv6 on SD-WAN ION devices if not required.


"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-14T10:39:54.353822Z", "id": "CVE-2026-0243", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T10:48:23.055Z"}}]}}