← Vulnerability feed

Vulnerability record · CVE-2023-53955 · published 22 December 2025

CVE-2023-53955: Sound4 stream extension insecure direct object reference vulnerability

Sound4 · Stream Extension

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.

9.3 CVSS 4.0 Critical EPSS 0.85% · top 43.4% CWE-639 · Insecure direct object reference
9.3CVSS 4.0 base score
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
5References, 3 tagged exploit
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

Track CVE-2023-53955 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2022-50794Sound4 impact firmware os command injection vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an unauthenticated command injection vulnerability in the username parameter. Attackers …EPSS 3.7%9.3CVE-2022-50796Sound4 impact firmware path traversal vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware upload functionality with path tr…EPSS 1.6%9.3CVE-2022-50696Sound4 first firmware hard-coded credentials vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain hardcoded credentials embedded in server binaries that cannot be modified through normal…EPSS 0.60%9.3CVE-2023-53960Sound4 first firmware sql injection vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco version 2.x contains an SQL injection vulnerability in the 'index.php' authentication mechanism that allows attackers t…EPSS 0.74%9.3CVE-2023-53963Sound4 impact firmware os command injection vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated OS command injection vulnerability that allows remote attackers to execute arbitrary s…EPSS 3.4%8.8CVE-2022-50694Sound4 impact firmware sql injection vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an SQL injection vulnerability in the 'username' POST parameter of index.php that allows attackers to ma…EPSS 0.89%8.8CVE-2023-53962Sound4 impact firmware path traversal vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated directory traversal vulnerability that allows remote attackers to write arbitrary file…EPSS 1.2%8.8CVE-2023-53964Sound4 impact firmware missing authentication for critical function vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated vulnerability in the /usr/cgi-bin/restorefactory.cgi endpoint that allows remote attac…EPSS 0.98%

Source: NIST National Vulnerability Database (record CVE-2023-53955), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.