What is CVE-2020-36971?

CVE-2020-36971 is a high-severity vulnerability in Nidesoft 3gp Video Converter, classified under Stack-based Buffer Overflow. CVSS score: 8.4/10. Published 2026-01-28.

How severe is CVE-2020-36971?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Nidesoft 3gp Video Converter

CVE-2020-36971

Nidesoft 3GP Video Converter 2.6.18 contains a local stack buffer overflow vulnerability in the license registration parameter. Attackers can craft a malicious payload and paste it into the 'License Code' field to execute arbitrary code on the system.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nidesoft 3gp Video Converter — versions 2.6.18

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-36971?: CVE-2020-36971 is a high-severity vulnerability in Nidesoft 3gp Video Converter, classified under Stack-based Buffer Overflow. CVSS score: 8.4/10. Published 2026-01-28.
How severe is CVE-2020-36971?: High severity. CVSS v3 base score is 8.4 out of 10.