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CVE-2026-0321

PAN-OS: Denial of Service (DoS) Vulnerabilities in Network Services

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 12.2.4, 12.1.10-h2, 11.2.16, 11.1.16-h3, 10.2.18-h12, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

Denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode. Cloud NGFW and Panorama are not affected by this vulnerability.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Palo Alto Networks Cloud NGFW

    Version range not reported

  • Palo Alto Networks PAN-OS

    From 12.2.0 · fixed in 12.2.4; From 12.1.0 · fixed in 12.1.10-h2; From 11.2.0 · fixed in 11.2.16; From 11.1.0 · fixed in 11.1.16-h3; From 10.2.0 · fixed in 10.2.18-h12

  • Palo Alto Networks Prisma Access

    From 12.1.0 · fixed in 12.1.7-h8; From 11.2.0 · fixed in 11.2.7-h21; From 10.2.0 · fixed in 10.2.10-h41

References 1

security.paloaltonetworks.com