CVE-2021-21742

Name: CVE-2021-21742
Creator: NVD / NIST
Published: 2021-09-25T00:15:07.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2021-21742 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. There is an information leak vulnerability in the message service app of a ZTE mobile phone. Due to improper parameter settings, attackers could use this vulnerability to obtain some sensitive information of users by accessing specific pages.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

There is an information leak vulnerability in the message service app of a ZTE mobile phone. Due to improper parameter settings, attackers could use this vulnerability to obtain some sensitive information of users by accessing specific pages.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.63%

45.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Zte	Axon 30 Pro Message Service	5.3.1.2103091059

References

https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019084Vendor Advisory
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019084Vendor Advisory

Timeline

Published: Sep 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21742?

How severe is CVE-2021-21742?

CVE-2021-21742 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21742?

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-2021-21742?

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

Scan your code now

Source: NVD / NIST