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CVE-2026-0321: CWE-754 Improper Check for Unusual or Exceptional Conditions in Palo Alto Networks Cloud NGFW

0
Medium
VulnerabilityCVE-2026-0321cvecve-2026-0321cwe-754
Published: 10/14/2026 (10/14/2026, 19:58:55 UTC)
Source: CVE Database V5
Vendor/Project: Palo Alto Networks
Product: Cloud NGFW

Description

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.

CVSS v4.0

Score 6.6medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber

Affected software

Palo Alto Networks

Cloud NGFW

Palo Alto Networks

PAN-OS

Affected versions
>=12.2.0 <12.2.4>=12.1.0 <12.1.10-h2>=11.2.0 <11.2.16>=11.1.0 <11.1.16-h3>=10.2.0 <10.2.18-h12

Palo Alto Networks

Prisma Access

Affected versions
>=12.1.0 <12.1.7-h8>=11.2.0 <11.2.7-h21>=10.2.0 <10.2.10-h41

Technical Details

Data Version
5.2
Assigner Short Name
palo_alto
Date Reserved
2025-11-03T20:45:21.054Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6acfe3be2cdf04f656ab7ba5

Added to database: 10/14/2026, 20:19:10 UTC

Last updated: 10/14/2026, 20:19:10 UTC

Views: 1

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