CVE-2023-53955 | SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an insecure dire… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2023-53955
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2025-12-19 14:03 UTC
Published: 2025-12-22 21:37 UTC
Last updated: 2025-12-22 22:03 UTC
Primary CWE: CWE-639
Authorization Bypass Through User-Controlled Key
Vendor / Product: SOUND4 Ltd. / Impact/Pulse/First
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (6)

Vendor	Product	Platform	Versions
Kantar Media	WM2	—	1.11
SOUND4 Ltd.	BigVoice2	—	1.30
SOUND4 Ltd.	BigVoice4	—	1.2
SOUND4 Ltd.	Impact/Pulse Eco	—	1.16
SOUND4 Ltd.	Impact/Pulse/First	—	Version 2: 1.1/2.15
SOUND4 Ltd.	Stream	—	1.1/2.4.29

Weakness (CWE)

CWE	Source	Description
CWE-639	cna	Authorization Bypass Through User-Controlled Key

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	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

References (4)

ExploitDB-51169 https://www.exploit-db.com/exploits/51169
SOUND4 Official Product Homepage https://web.archive.org/web/20221207074555/https://www.sound4.com/
Zero Science Lab Disclosure (ZSL-2022-5723) https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5723.php
VulnCheck Advisory: SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Authorization Bypass via Insecure Object References https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-authorization-bypass-via-insecure-object-references