A business logic vulnerability exists in Mi App Store.

published 2022-04-21 4y ago modified 2026-06-17 4mo ago also EUVD-2020-6280

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

A business logic vulnerability exists in Mi App Store. The vulnerability is caused by incomplete permission checks of the products being bypassed, and an attacker can exploit the vulnerability to perform a local silent installation.

Is CVE-2020-14121 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:N/I:P/A:N

Affected products

n/a Mi App Store

Classification

Weakness

CWE-863 Incorrect Authorization

References

trust.mi.com /zh-CN/misrc/bulletins/advisory?cveId=146
vendor-advisory

Sources

CVE List CVE-2020-14121
NVD CVE-2020-14121

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.