What is CVE-2021-21745?

CVE-2021-21745 is a vulnerability in the ZTE MF971R product that allows an attacker to bypass Referer authentication.

How does CVE-2021-21745 work?

CVE-2021-21745 works by exploiting a lack of CSRF verification, allowing an attacker to perform unauthorized operations by tricking the user into clicking on a malicious request.

What is the severity of CVE-2021-21745?

CVE-2021-21745 has a severity rating of medium with a CVSS score of 4.3.

Which software versions are affected by CVE-2021-21745?

The ZTE MF971R firmware versions v1.0.0b05, 1v1.0.0b06, 2v1.0.0b03, s2v1.0.0b03, and sv1.0.0b05 are affected by CVE-2021-21745.

How can I fix CVE-2021-21745?

To fix CVE-2021-21745, ZTE has released a security patch. Please refer to the ZTE Support page at the provided link for more information.

Vulnerability/
CVE-2021-21745

medium

4.3

CWE

352

20/10/2021

3/8/2024

CVE-2021-21745: CSRF

First published: Wed Oct 20 2021(Updated: )

ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click.

Credit: psirt@zte.com.cn

Affected Software	Affected Version	How to fix
Zte Mf971r Firmware	=v1.0.0b05
ZTE MF971R
Zte Mf971r Firmware	=1v1.0.0b06
Zte Mf971r Firmware	=2v1.0.0b03
Zte Mf971r Firmware	=s2v1.0.0b03
Zte Mf971r Firmware	=sv1.0.0b05

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Reference Links

https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764

Frequently Asked Questions

What is CVE-2021-21745?
CVE-2021-21745 is a vulnerability in the ZTE MF971R product that allows an attacker to bypass Referer authentication.
How does CVE-2021-21745 work?
CVE-2021-21745 works by exploiting a lack of CSRF verification, allowing an attacker to perform unauthorized operations by tricking the user into clicking on a malicious request.
What is the severity of CVE-2021-21745?
CVE-2021-21745 has a severity rating of medium with a CVSS score of 4.3.
Which software versions are affected by CVE-2021-21745?
The ZTE MF971R firmware versions v1.0.0b05, 1v1.0.0b06, 2v1.0.0b03, s2v1.0.0b03, and sv1.0.0b05 are affected by CVE-2021-21745.
How can I fix CVE-2021-21745?
To fix CVE-2021-21745, ZTE has released a security patch. Please refer to the ZTE Support page at the provided link for more information.

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vendor/zte
canonical/zte mf971r firmware
version/zte mf971r firmware/v1.0.0b05
canonical/zte mf971r
version/zte mf971r firmware/1v1.0.0b06
version/zte mf971r firmware/2v1.0.0b03
version/zte mf971r firmware/s2v1.0.0b03
version/zte mf971r firmware/sv1.0.0b05

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