CVE-2022-50796: Sound4 First Firmware remote code execution (CVSS 9.8)

Description

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware upload functionality with path traversal flaw. Attackers can exploit the upload.cgi script to write malicious files to the system with www-data permissions, enabling unauthorized access and code execution.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/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/247951Third Party Advisory
https://packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-upload.cgi-Code-Execution.htmlExploitThird Party AdvisoryVDB Entry
https://www.sound4.com/Product
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-remote-code-execution-via-uploadcgiThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.phpExploitThird Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2022-50796 being actively exploited?

CVE-2022-50796 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.57%.

How severe is CVE-2022-50796?

CVE-2022-50796 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.57% probability of exploitation.

Which products are affected by CVE-2022-50796?

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-2022-50796?

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-2022-50796 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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