VDB

CVE-2021-3053

CVE-2021-3053 PUBLISHED CVSS 7.5 HIGH

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.

EPSS 0.33% · 56.0th percentile

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.33%
56.0th percentile

Affected Products

VendorProductVersions
paloaltonetworkspan-os8.1.0, 9.0.0, 9.1.0
Palo Alto NetworksPAN-OS10.1.*, 8.1, 9.0

Timeline

  • Sep 8, 2021 CVE Published
  • Sep 9, 2021 EPSS Score
  • Nov 6, 2021 EPSS Score
  • Jan 2, 2022 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Mar 1, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • Apr 27, 2022 EPSS Score
  • Jun 24, 2022 EPSS Score
  • Aug 22, 2022 EPSS Score
  • Oct 18, 2022 EPSS Score
  • Dec 15, 2022 EPSS Score
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