What is the severity of CVE-2021-3048?

The severity of CVE-2021-3048 is medium with a severity value of 5.9.

What is the affected software for CVE-2021-3048?

The affected software for CVE-2021-3048 is Paloaltonetworks Pan-os versions 9.0.0 to 9.0.14, 9.1.0 to 9.1.9, and 10.0.0 to 10.0.5.

How does CVE-2021-3048 impact the firewall?

CVE-2021-3048 causes the Device Server daemon (devsrvr) to stop responding, leading to failed commits and configuration changes on the firewall.

How can I fix CVE-2021-3048?

To fix CVE-2021-3048, update your Paloaltonetworks Pan-os software to a version that is not affected by the vulnerability.

Is there any additional information about CVE-2021-3048?

For more information about CVE-2021-3048, you can refer to the following references: [link1] [link2].

Vulnerability/
CVE-2021-3048

medium

5.9

CWE

11/8/2021

19/8/2021

CVE-2021-3048: Input Validation

First published: Wed Aug 11 2021(Updated: )

Certain invalid URL entries contained in an External Dynamic List (EDL) cause the Device Server daemon (devsrvr) to stop responding. This condition causes subsequent commits on the firewall to fail and prevents administrators from performing commits and configuration changes even though the firewall remains otherwise functional. If the firewall then restarts, it results in a denial-of-service (DoS) condition and the firewall stops processing traffic. This issue impacts: 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. PAN-OS 8.1 and PAN-OS 10.1 versions are not impacted.

Credit: psirt@paloaltonetworks.com

Affected Software	Affected Version	How to fix
Paloaltonetworks Pan-os	>=9.0.0<9.0.14
Paloaltonetworks Pan-os	>=9.1.0<9.1.9
Paloaltonetworks Pan-os	>=10.0.0<10.0.5

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-3048?
The severity of CVE-2021-3048 is medium with a severity value of 5.9.
What is the affected software for CVE-2021-3048?
The affected software for CVE-2021-3048 is Paloaltonetworks Pan-os versions 9.0.0 to 9.0.14, 9.1.0 to 9.1.9, and 10.0.0 to 10.0.5.
How does CVE-2021-3048 impact the firewall?
CVE-2021-3048 causes the Device Server daemon (devsrvr) to stop responding, leading to failed commits and configuration changes on the firewall.
How can I fix CVE-2021-3048?
To fix CVE-2021-3048, update your Paloaltonetworks Pan-os software to a version that is not affected by the vulnerability.
Is there any additional information about CVE-2021-3048?
For more information about CVE-2021-3048, you can refer to the following references: [link1] [link2].

collector/nvd-index
vendor/paloaltonetworks
canonical/paloaltonetworks pan-os
version/paloaltonetworks pan-os/9.0.0
version/paloaltonetworks pan-os/9.1.0
version/paloaltonetworks pan-os/10.0.0

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