CVE-2023-53962

HIGH 7.5CVE-2023-53962 · Published 22/12/2025 · updated 17/06/2026

In short

CVE-2023-53962 is a HIGH (CVSS 7.5) vulnerability affecting stream extension (sound4).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 69.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
stream extension sound4	`= 2.4.29`	No fix yet

Description

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated directory traversal vulnerability that allows remote attackers to write arbitrary files through the 'upgfile' parameter in upload.cgi. Attackers can exploit the vulnerability by sending crafted multipart form-data POST requests with directory traversal sequences to write files to unintended system locations.

References

web.archive.org/web/20221207074555/https://www.sound4.com · Product
exploit-db.com/exploits/51172 · Exploit
vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-directory-traversal-file-write · Third Party Advisory
zeroscience.mk/en/vulnerabilities/ZSL-2022-5730.php · Exploit

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Package

Affected versions

Patched versions

stream extension

sound4

= 2.4.29

No fix yet

Description

More vulnerabilities in stream extension

See all →