CVE-2023-53962

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Unauthenticated Directory Traversal File Write

State: Published
Severity: 8.8 High
Published: Dec 22, 2025
Updated: Oct 1, 2026
Reserved: Dec 19, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.8 High	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	VulnCheck
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	VulnCheck

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
Impact/Pulse/FirstSOUND4 Ltd.	Version 2: 1.1/2.15Affected
Impact/Pulse EcoSOUND4 Ltd.	1.16Affected
BigVoice4SOUND4 Ltd.	1.2Affected
BigVoice2SOUND4 Ltd.	1.30Affected
StreamSOUND4 Ltd.	1.1/2.4.29Affected
WM2Kantar Media	1.11Affected

References

ExploitDB-51172exploit
SOUND4 Official Product Homepageproduct
Zero Science Lab Disclosure (ZSL-2022-5730)third-party-advisory
VulnCheck Advisory: SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Unauthenticated Directory Traversal File Writethird-party-advisory

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