Path Traversal in Kantar Media Wm2
CVE-2022-50796
SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware upload functionality with path traversal flaw. Attackers can exploit the upload.cgi script to write malicious files to the system with www-data permissions, enabling unauthorized access and code execution.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: -0.000
Affected products
- Kantar Media Wm2 — versions 1.11
- Sound4 Big Voice2
- Sound4 Big Voice2 Firmware — versions 1.30
- Sound4 Big Voice4
- Sound4 Big Voice4 Firmware — versions 1.2
- Sound4 First — versions 2.0, 1.0
- Sound4 First Firmware — versions 2.15, 1.69
- Sound4 Impact — versions 2.0, 1.0
- Sound4 Impact Eco
- Sound4 Impact Eco Firmware — versions 1.16
Weakness classification (CWE)
References
- www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.php (Exploit, Third Party Advisory, third-party-advisory)
- packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-upload.c… (Exploit, VDB Entry, Third Party Advisory, exploit)
- exchange.xforce.ibmcloud.com/vulnerabilities/247951 (Third Party Advisory, vdb-entry)
- www.sound4.com/ (Product, product)
- www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-remote… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2022-50796?
- CVE-2022-50796 is a critical-severity vulnerability in Kantar Media Wm2, classified under Path Traversal. CVSS score: 9.8/10. Published 2025-12-30.
- How severe is CVE-2022-50796?
- Critical severity. CVSS v3 base score is 9.8 out of 10.