What is CVE-2021-41530?

CVE-2021-41530 is a vulnerability in Forcepoint NGFW Engine versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0 that allows for TCP reflected amplification if HTTP User Response has been configured.

How does CVE-2021-41530 impact Forcepoint Next Generation Firewall?

CVE-2021-41530 can be used to exploit a TCP reflected amplification vulnerability in Forcepoint Next Generation Firewall versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0.

What is the severity of CVE-2021-41530?

CVE-2021-41530 has a severity rating of 7.5 (High).

How can I fix CVE-2021-41530?

To fix CVE-2021-41530, it is recommended to upgrade to Forcepoint NGFW Engine version 6.10.1 or later.

Where can I find more information about CVE-2021-41530?

More information about CVE-2021-41530 can be found on the Forcepoint help page: [https://help.forcepoint.com/security/CVE/CVE-2021-41530.html](https://help.forcepoint.com/security/CVE/CVE-2021-41530.html)

Vulnerability/
CVE-2021-41530

high

7.5

4/10/2021

4/8/2024

CVE-2021-41530

First published: Mon Oct 04 2021(Updated: )

Forcepoint NGFW Engine versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0 are vulnerable to TCP reflected amplification vulnerability, if HTTP User Response has been configured.

Credit: psirt@forcepoint.com

Affected Software	Affected Version	How to fix
Forcepoint Next Generation Firewall	<=6.5.11
Forcepoint Next Generation Firewall	>=6.8.0<=6.8.6
Forcepoint Next Generation Firewall	=6.10.0

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Reference Links

https://help.forcepoint.com/security/CVE/CVE-2021-41530.html

Frequently Asked Questions

What is CVE-2021-41530?
CVE-2021-41530 is a vulnerability in Forcepoint NGFW Engine versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0 that allows for TCP reflected amplification if HTTP User Response has been configured.
How does CVE-2021-41530 impact Forcepoint Next Generation Firewall?
CVE-2021-41530 can be used to exploit a TCP reflected amplification vulnerability in Forcepoint Next Generation Firewall versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0.
What is the severity of CVE-2021-41530?
CVE-2021-41530 has a severity rating of 7.5 (High).
How can I fix CVE-2021-41530?
To fix CVE-2021-41530, it is recommended to upgrade to Forcepoint NGFW Engine version 6.10.1 or later.
Where can I find more information about CVE-2021-41530?
More information about CVE-2021-41530 can be found on the Forcepoint help page: [https://help.forcepoint.com/security/CVE/CVE-2021-41530.html](https://help.forcepoint.com/security/CVE/CVE-2021-41530.html)

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version/forcepoint next generation firewall/6.5.11
version/forcepoint next generation firewall/6.8.0
version/forcepoint next generation firewall/6.8.6
version/forcepoint next generation firewall/6.10.0

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