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Vulnerability record · CVE-2020-14120 · published 21 April 2022

CVE-2020-14120: Miui vulnerability

MMi · Miui

Some Xiaomi models have a vulnerability in a certain application. The vulnerability is caused by the lack of checksum when using a three-party application to pass in parameters, and attackers can induce users to install a malicious app and use the vulnerability to achieve elevated privileges, making the normal services of the system affected.

8.8 CVSS 3.1 High EPSS 0.42% · top 66.8% CWE-354 · CWE-354
8.8CVSS 3.1 base score, v2 6.8
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Some Xiaomi models have a vulnerability in a certain application. The vulnerability is caused by the lack of checksum when using a three-party application to pass in parameters, and attackers can induce users to install a malicious app and use the vulnerability to achieve elevated privileges, making the normal services of the system affected.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=145 Vendor Advisory
https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=145 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2020-14127Miui out-of-bounds write vulnerabilityA denial of service vulnerability exists in some Xiaomi models of phones. The vulnerability is caused by heap overflow and can be exploited by attack…EPSS 1.0%7.5CVE-2020-14125Miui out-of-bounds read vulnerabilityA denial of service vulnerability exists in some Xiaomi models of phones. The vulnerability is caused by out-of-bound read/write and can be exploited…EPSS 7.3%7.5CVE-2020-14123Miui double free vulnerabilityThere is a pointer double free vulnerability in Some MIUI Services. When a function is called, the memory pointer is copied to two function modules, …EPSS 0.93%5.5CVE-2020-14122Miui insufficient verification of data authenticity vulnerabilitySome Xiaomi phones have information leakage vulnerabilities, and some of them may be able to forge a specific identity due to the lack of parameter v…EPSS 0.16%5.5CVE-2020-14105Miui vulnerabilityThe application in the mobile phone can read the SNO information of the device, Xiaomi 10 MIUI < 2020.01.15.EPSS 0.26%5.5CVE-2020-14103Miui vulnerabilityThe application in the mobile phone can read the SNO information of the device, Xiaomi 10 MIUI < 2020.01.15.EPSS 0.70%5.5CVE-2020-14106Miui incorrect authorization vulnerabilityThe application in the mobile phone can unauthorized access to the list of running processes in the mobile phone, Xiaomi Mobile Phone MIUI < 2021.01.…EPSS 0.66%

Source: NIST National Vulnerability Database (record CVE-2020-14120), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.