How severe is CVE-2020-14121?

CVE-2020-14121 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-14121 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14121?

CVE-2020-14121 affects Mi Mi App Store. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14121?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-14121 published?

CVE-2020-14121 was published on 2022-04-21 and last updated on 2026-06-17.

CVE-2020-14121

CVE-2020-14121 is a medium-severity vulnerability in Mi Mi App Store with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Mi Mi App Store
Published: 2022-04-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-14121?: 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.
How severe is CVE-2020-14121?: CVE-2020-14121 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-14121 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14121?: CVE-2020-14121 affects Mi Mi App Store. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14121?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14121 published?: CVE-2020-14121 was published on 2022-04-21 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:mi:mi_app_store:4.12.2:*:*:*:*:*:*:*

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