How severe is CVE-2020-14120?

CVE-2020-14120 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14120?

CVE-2020-14120 affects Mi Miui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14120?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-14120 published?

CVE-2020-14120 was published on 2022-04-21 and last updated on 2026-06-17.

CVE-2020-14120

CVE-2020-14120 is a high-severity vulnerability in Mi Miui with a CVSS 3.x base score of 8.8. 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-354.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-354
Affected product: Mi Miui
Published: 2022-04-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-14120?: CVE-2020-14120 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-14120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14120?: CVE-2020-14120 affects Mi Miui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14120?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-14120 published?: CVE-2020-14120 was published on 2022-04-21 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:mi:miui:12.5:*:*:*:*:*:*:*

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