{"cve":"CVE-2023-53955","nvd":{"published":"2025-12-22T22:15:59.980","modified":"2026-06-17T06:46:25.040","status":"Analyzed","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_v4":{"vector":"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","score":9.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-639"],"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","https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5723.php"],"products":["sound4:big_voice2_firmware","sound4:big_voice4_firmware","sound4:first_firmware","sound4:impact_eco_firmware","sound4:impact_firmware","sound4:pulse_eco_firmware","sound4:pulse_firmware","sound4:stream_extension","sound4:wm2_firmware"],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2023-53955","score":0.00852,"percentile":0.58256,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}