Command Injection Vulnerability in SOUND4 IMPACT/FIRST/PULSE/Eco
CVE-2022-50789

8.5HIGH

Key Information:

Vendor

Sound4 Ltd.

Status
Impact/pulse/first
Impact/pulse Eco
Bigvoice4
Bigvoice2
Vendor
CVE Published:
30 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-50789?

The SOUND4 IMPACT/FIRST/PULSE/Eco versions up to and including 2.x are vulnerable to a command injection flaw. This allows local authenticated users to execute malicious commands by creating files with a .dns.pid extension in the /tmp directory. By exploiting this vulnerability through an HTTP POST request to the compromised dns.php script, unauthenticated attackers can trigger command execution, leading to unauthorized actions within the system.

Affected Version(s)

BigVoice2 1.30

BigVoice4 1.2

Impact/Pulse Eco 1.16

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-50789 - Proof of Concept

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-57...
third-party-advisory
https://packetstormsecurity.com/files/170260/SOUND4-IMPAC...
exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/247922
vdb-entry

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
JSON
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CVE-2022-50789 : Command Injection Vulnerability in SOUND4 IMPACT/FIRST/PULSE/Eco