CVE-2023-53955

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

CVSS 9.3 CRITICALEPSS 0.8%CWE-639

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.3EPSS 0.8%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Kantar Media · WM2 SOUND4 Ltd. · BigVoice2 SOUND4 Ltd. · BigVoice4 SOUND4 Ltd. · Impact/Pulse Eco SOUND4 Ltd. · Impact/Pulse/First SOUND4 Ltd. · Stream

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References

https://web.archive.org/web/20221207074555/https://www.sound4.com/https://www.exploit-db.com/exploits/51169 https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-authorization-bypass-via-insecure-object-references https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5723.php