Vulnerability in Mi Miui

CVE-2020-14120

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-14120: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

  • Mi Miui — versions 12.5
  • Miui — versions MIUI version 12.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-14120?
CVE-2020-14120 is a high-severity vulnerability in Mi Miui, classified under Improper Validation of Integrity Check Value. CVSS score: 8.8/10. Published 2022-04-21.
How severe is CVE-2020-14120?
High severity. CVSS v3 base score is 8.8 out of 10.