CVE-2022-50789: Sound4 First Firmware command injection (CVSS 7.8)

Description

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.

CVSS 3.1 breakdown

Attack vectorLocal

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Sound4 Stream Extension2.4.29

Sound4 Big Voice2 Firmware1.30

Sound4 Big Voice4 Firmware1.2

Sound4 First Firmware1.69 · 2.15

Sound4 Impact Eco Firmware1.16

Sound4 Impact Firmware1.69 · 2.15

Sound4 Pulse Eco Firmware1.16

Sound4 Pulse Firmware1.69 · 2.15

Sound4 Wm2 Firmware1.11

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/247922Third Party Advisory
https://packetstormsecurity.com/files/170260/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-dns.php-Command-Injection.htmlExploitThird Party AdvisoryVDB Entry
https://www.sound4.com/Product
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-conditional-command-injection-via-dnsphpThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5733.phpExploitThird Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2022-50789 being actively exploited?

CVE-2022-50789 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 4.20%.

How severe is CVE-2022-50789?

CVE-2022-50789 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 4.20% probability of exploitation.

Which products are affected by CVE-2022-50789?

Affected products include Sound4 Stream Extension, Sound4 Big Voice2 Firmware, Sound4 Big Voice4 Firmware, Sound4 First Firmware, Sound4 Impact Eco Firmware, and 4 more.

How do I fix CVE-2022-50789?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-50789 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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