CVE-2023-53955SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access hidden system resources.
Updated under an hour ago ()
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It affects sound4 stream_extension and 8 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
sound4 stream_extension sound4:stream_extension | 2.4.29 | NVD |
sound4 wm2_firmware sound4:wm2_firmware | 1.11 | NVD |
sound4 big_voice2_firmware sound4:big_voice2_firmware | 1.30 | NVD |
sound4 big_voice4_firmware sound4:big_voice4_firmware | 1.2 | NVD |
sound4 pulse_eco_firmware sound4:pulse_eco_firmware | 1.16 | NVD |
sound4 impact_eco_firmware sound4:impact_eco_firmware | 1.16 | NVD |
sound4 first_firmware sound4:first_firmware | 1.69; 2.15 | NVD |
sound4 pulse_firmware sound4:pulse_firmware | 1.69; 2.15 | NVD |
sound4 impact_firmware sound4:impact_firmware | 1.69; 2.15 | NVD |
References
- https://web.archive.org/web/20221207074555/https://www.sound4.com/product
- https://www.exploit-db.com/exploits/51169exploit, third-party-advisory, vdb-entry
- https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-authorization-bypass-via-insecure-object-referencesthird-party-advisory
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5723.phpexploit, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.