CVE-2021-21747

Name: CVE-2021-21747
Creator: NVD / NIST
Published: 2021-10-20T15:15:07.727+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2021-21747 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. ZTE MF971R product has reflective XSS vulnerability. An attacker could use the vulnerability to obtain cookie information.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

ZTE MF971R product has reflective XSS vulnerability. An attacker could use the vulnerability to obtain cookie information.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.56%

42.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Zte	Mf971r Firmware	v1.0.0b05
Zte	Mf971r Firmware	1v1.0.0b06
Zte	Mf971r Firmware	2v1.0.0b03
Zte	Mf971r Firmware	s2v1.0.0b03
Zte	Mf971r Firmware	sv1.0.0b05

References

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

Timeline

Published: Oct 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21747?

ZTE MF971R product has reflective XSS vulnerability. An attacker could use the vulnerability to obtain cookie information.

How severe is CVE-2021-21747?

CVE-2021-21747 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21747?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21747?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST