Path Traversal in Kantar Media Wm2

CVE-2023-53962

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.012 (66.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53962?
CVE-2023-53962 is a high-severity vulnerability in Kantar Media Wm2, classified under Path Traversal. CVSS score: 7.5/10. Published 2025-12-22.
How severe is CVE-2023-53962?
High severity. CVSS v3 base score is 7.5 out of 10.