CVE-2023-53955

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Authorization Bypass via Insecure Object References

State: Published
Severity: 9.3 Critical
Published: Dec 22, 2025
Updated: Oct 1, 2026
Reserved: Dec 19, 2025

Description

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access hidden system resources. Attackers can exploit the vulnerability by manipulating user-supplied input to execute privileged functionalities without proper authentication.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

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-51169exploit
SOUND4 Official Product Homepageproduct
Zero Science Lab Disclosure (ZSL-2022-5723)third-party-advisory
VulnCheck Advisory: SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Authorization Bypass via Insecure Object Referencesthird-party-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.