SARA / Free Tools / CVE / CVE-2023-53962

CVE-2023-53962 — SOUND4 IMPACT/FIRST/PULSE/Eco v2

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated directory traversal vulnerability that allows remote attackers to write arbitrary files through the 'upgfile' parameter in upload.cgi. Attackers can exploit the vulnerability by sending crafted multipart for

CVSS
8.8 HIGH
EPSS
5.04% (top 10.40%)
CWE
CWE-22
Published
2025-12-22T21:37:16.671Z
Last modified
2026-01-16T19:00:17.015Z
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

01What is this vulnerability?

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated directory traversal vulnerability that allows remote attackers to write arbitrary files through the 'upgfile' parameter in upload.cgi. Attackers can exploit the vulnerability by sending crafted multipart form-data POST requests with directory traversal sequences to write files to unintended system locations.

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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