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CVE-2022-50793: SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an authenticated command injection vulnerability in the www-data-

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HIGH 8.8MITIGATEMITIGATEMITIGATE

CVE-2022-50793 is a high-severity flaw (CVSS 8.8) affecting impact firmware, pulse firmware, first firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • High severity
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance3.1% (top 12%)
CISA exploited listNo
WeaknessCWE-78
Published2025-12-30
Last modified2026-06-17
Publisher (CNA): VulnCheck · Vendor: sound4

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

sound4 impact firmware MITIGATE
Affected: 2.15 · 1.69
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.69
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 pulse firmware MITIGATE
Affected: 2.15 · 1.69
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.69
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 first firmware MITIGATE
Affected: 2.15 · 1.69
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.69
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 impact eco firmware MITIGATE
Affected: 1.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.16
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 pulse eco firmware MITIGATE
Affected: 1.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.16
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 big voice4 firmware MITIGATE
Affected: 1.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.
Fedora 46 · amule · FIXED · 3.2.0-1.fc46 · FEDORA-2026-4feb2647b0 · source
sudo dnf upgrade --advisory=FEDORA-2026-4feb2647b0
Fedora ELN · mysql9.7 · FIXED · 9.7.4-3.eln159 · FEDORA-2026-ea1c50e49b · source
sudo dnf upgrade --advisory=FEDORA-2026-ea1c50e49b

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-50793?

impact firmware: mitigate or apply the listed mitigation; pulse firmware: mitigate or apply the listed mitigation; first firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-50793 being exploited?

CVE-2022-50793 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-50793 affect?

CVE-2022-50793 affects impact firmware, pulse firmware, first firmware. Severity is high (CVSS 8.8). 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 th

How urgent is CVE-2022-50793?

Priority 58/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

References

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