SARA / Free Tools / CVE / CVE-2022-50789

CVE-2022-50789 — SOUND4 IMPACT/FIRST/PULSE/Eco <=2

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains a command injection vulnerability that allows local authenticated users to create malicious files in the /tmp directory with .dns.pid extension. Unauthenticated attackers can execute the malicious commands by making a single HTTP PO

CVSS
8.5 HIGH
EPSS
1.43% (top 19.60%)
CWE
CWE-78
Published
2025-12-30T22:41:36.629Z
Last modified
2026-01-16T18:59:59.639Z
CVSS 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

01What is this vulnerability?

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains a command injection vulnerability that allows local authenticated users to create malicious files in the /tmp directory with .dns.pid extension. Unauthenticated attackers can execute the malicious commands by making a single HTTP POST request to the vulnerable dns.php script, which triggers command execution and then deletes the file.

02Affected products

VendorProductVersions
SOUND4 Ltd.Impact/Pulse/FirstVersion 2: 1.1/2.15
SOUND4 Ltd.Impact/Pulse Eco1.16
SOUND4 Ltd.BigVoice41.2
SOUND4 Ltd.BigVoice21.30
SOUND4 Ltd.Stream1.1/2.4.29
Kantar MediaWM21.11

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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