Vulnerability in Palo Alto Networks Prisma Sd-wan Ion
CVE-2026-0243
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 IPv…
EPSS: 0.002 (6.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Palo Alto Networks Prisma Sd-wan Ion — versions 6.5.0, 6.4.0, 6.3.0
- Paloaltonetworks Ion_1200
- Paloaltonetworks Ion_1200-c5g-ww
- Paloaltonetworks Ion_1200-c-na
- Paloaltonetworks Ion_1200-c-row
- Paloaltonetworks Ion_1200-s
- Paloaltonetworks Ion_1200-s-c5g-ww
- Paloaltonetworks Ion_1200-s-c-na
- Paloaltonetworks Ion_1200-s-c-row
- Paloaltonetworks Ion_3102v
Weakness classification (CWE)
References
- psirt@paloaltonetworks.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0243?
- CVE-2026-0243 is a medium-severity vulnerability in Palo Alto Networks Prisma Sd-wan Ion, classified under CWE-606. CVSS score: 6.5/10. Published 2026-05-13.
- How severe is CVE-2026-0243?
- Medium severity. CVSS v3 base score is 6.5 out of 10.