Skip to content
CVE PROGRAM SOURCE RECORD7.5 High

CVE-2021-3053

PAN-OS: Exceptional Condition Denial-of-Service (DoS)

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
palo_alto

Description

An improper handling of exceptional conditions vulnerability exists in the Palo Alto Networks PAN-OS dataplane that enables an unauthenticated network-based attacker to send specifically crafted traffic through the firewall that causes the service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.5. This issue does not affect Prisma Access.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Palo Alto Networks PAN-OS

  • 10.1.*unaffected
  • 8.1 to < 8.1.20affected
  • 9.0 to < 9.0.14affected
  • 9.1 to < 9.1.9affected
  • 10.0 to < 10.0.5affected

References