What is CVE-2020-37050?

CVE-2020-37050 is a critical-severity vulnerability in M.j.m Soft Quick Player, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-01-30.

How severe is CVE-2020-37050?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in M.j.m Soft Quick Player

CVE-2020-37050

Quick Player 1.3 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting a malicious .m3l file with carefully constructed payload. Attackers can trigger the vulnerability by loading a specially crafted file through the application's file loading mechanism, potentially enabling remote code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.

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.

Affected products

M.j.m Soft Quick Player — versions 1.3

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

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

Frequently asked questions

What is CVE-2020-37050?: CVE-2020-37050 is a critical-severity vulnerability in M.j.m Soft Quick Player, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-01-30.
How severe is CVE-2020-37050?: Critical severity. CVSS v3 base score is 9.8 out of 10.