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VULNERABILITIES

CVE-2021-3053 Details

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.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://security.paloaltonetworks.com/CVE-2021-3053 CVEVendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3053 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-755Improper Handling of Exceptional Conditions[email protected]
CWE-755Improper Handling of Exceptional Conditions[email protected]

Affected Products

ProductVersions
paloaltonetworks pan-os
>= 8.1.0, < 8.1.20
>= 9.0.0, < 9.0.14
>= 9.1.0, < 9.1.9
>= 10.0.0, < 10.0.5

CPE

  • cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3053
NVD Published Date:
Sep 8, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-3053 Details - Not Deferred