What is CVE-2021-31987?

CVE-2021-31987 is a vulnerability related to SMTP test functionality on Axis Axis OS, allowing bypass of blocked network recipients.

How severe is CVE-2021-31987?

CVE-2021-31987 has a severity rating of 7.5 (high).

Which software versions are affected by CVE-2021-31987?

CVE-2021-31987 affects Axis Axis OS versions up to and excluding 10.8, Axis Axis OS 2016 versions up to and excluding 6.50.5.5, Axis Axis OS 2018 versions up to and excluding 8.40.4.3, and Axis Axis OS 2020 versions up to and excluding 9.80.3.5.

How can the bypass of blocked network recipients be prevented?

To prevent the bypass of blocked network recipients, it is recommended to apply the necessary security patches provided by Axis.

Where can I find more information about CVE-2021-31987?

You can find more information about CVE-2021-31987 at the following link: [CVE-2021-31987](https://www.axis.com/files/tech_notes/CVE-2021-31987.pdf).

Vulnerability/
CVE-2021-31987

high

7.5

CWE

1286

5/10/2021

8/11/2024

CVE-2021-31987

First published: Tue Oct 05 2021(Updated: )

A user controlled parameter related to SMTP test functionality is not correctly validated making it possible to bypass blocked network recipients.

Credit: product-security@axis.com product-security@axis.com

Affected Software	Affected Version	How to fix
Axis Axis Os	<10.8
Axis Axis Os 2016	<6.50.5.5
Axis Axis Os 2018	<8.40.4.3
Axis Axis Os 2020	<9.80.3.5

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Reference Links

https://www.axis.com/files/tech_notes/CVE-2021-31987.pdf

Frequently Asked Questions

What is CVE-2021-31987?
CVE-2021-31987 is a vulnerability related to SMTP test functionality on Axis Axis OS, allowing bypass of blocked network recipients.
How severe is CVE-2021-31987?
CVE-2021-31987 has a severity rating of 7.5 (high).
Which software versions are affected by CVE-2021-31987?
CVE-2021-31987 affects Axis Axis OS versions up to and excluding 10.8, Axis Axis OS 2016 versions up to and excluding 6.50.5.5, Axis Axis OS 2018 versions up to and excluding 8.40.4.3, and Axis Axis OS 2020 versions up to and excluding 9.80.3.5.
How can the bypass of blocked network recipients be prevented?
To prevent the bypass of blocked network recipients, it is recommended to apply the necessary security patches provided by Axis.
Where can I find more information about CVE-2021-31987?
You can find more information about CVE-2021-31987 at the following link: [CVE-2021-31987](https://www.axis.com/files/tech_notes/CVE-2021-31987.pdf).

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vendor/axis
canonical/axis axis os
canonical/axis axis os 2016
canonical/axis axis os 2018
canonical/axis axis os 2020

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