What is CVE-2021-47774?

CVE-2021-47774 is a critical-severity vulnerability in En Kingdia Cd Extractor, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2026-01-15.

How severe is CVE-2021-47774?

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

Buffer overflow in En Kingdia Cd Extractor

CVE-2021-47774

Kingdia CD Extractor 3.0.2 contains a buffer overflow vulnerability in the registration name field that allows attackers to execute arbitrary code. Attackers can craft a malicious payload exceeding 256 bytes to overwrite Structured Excepti…

Vulnerability class: Buffer Overflow

EPSS: 0.005 (38.8th 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

En Kingdia Cd Extractor — versions 3.0.2

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)

Frequently asked questions

What is CVE-2021-47774?: CVE-2021-47774 is a critical-severity vulnerability in En Kingdia Cd Extractor, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2026-01-15.
How severe is CVE-2021-47774?: Critical severity. CVSS v3 base score is 9.8 out of 10.