SARA / Free Tools / CVE / CVE-2023-53955

CVE-2023-53955 — SOUND4 IMPACT/FIRST/PULSE/Eco v2

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 functi

CVSS
9.8 CRITICAL
EPSS
0.57% (top 31.70%)
CWE
CWE-639
Published
2025-12-22T21:37:15.319Z
Last modified
2025-12-22T22:03:50.814Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

01What is this vulnerability?

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.

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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