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 operations, resulting in the affected module crashing and affecting normal functionality, and if successfully exploited the vulnerability can cause elevation of privileges.
Vulnerability class: Double Free
EPSS: 0.009 (55.8th 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)
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.