What is CVE-2020-14123?

CVE-2020-14123 is a high-severity vulnerability in Mi Miui, classified under Double Free. CVSS score: 7.5/10. Published 2022-04-22.

How severe is CVE-2020-14123?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-14123 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Double Free in Mi Miui

CVE-2020-14123

There is a pointer double free vulnerability in Some MIUI Services. When a function is called, the memory pointer is copied to two function modules, and an attacker can cause the pointer to be repeatedly released through malicious operatio…

Vulnerability class: Double Free

EPSS: 0.009 (54.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mi Miui — versions 12.5.2
N/a Miui — versions MIUI version 12.5.2

Weakness classification (CWE)

CWE-415 — Double Free

Public proof-of-concept exploits

References

security@xiaomi.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-14123?: CVE-2020-14123 is a high-severity vulnerability in Mi Miui, classified under Double Free. CVSS score: 7.5/10. Published 2022-04-22.
How severe is CVE-2020-14123?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-14123 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.