What is CVE-2019-12809?

CVE-2019-12809 is a high-severity vulnerability in Yes24 Viewer Activex, classified under Download of Code Without Integrity Check. CVSS score: 8.8/10. Published 2019-08-15.

How severe is CVE-2019-12809?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Yes24 Viewer Activex

CVE-2019-12809

Yes24ViewerX ActiveX Control 1.0.327.50126 and earlier versions contains a vulnerability that could allow remote attackers to download and execute arbitrary files by setting the arguments to the ActiveX method. This can be leveraged for code execution.

Published 2019-08-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Yes24 Viewer Activex
Yes24 Pc Viewer — versions 1.0.327.50126

Weakness classification (CWE)

CWE-494 — Download of Code Without Integrity Check

References

www.boho.or.kr/krcert/secNoticeView.do (Third Party Advisory)

Frequently asked questions

What is CVE-2019-12809?: CVE-2019-12809 is a high-severity vulnerability in Yes24 Viewer Activex, classified under Download of Code Without Integrity Check. CVSS score: 8.8/10. Published 2019-08-15.
How severe is CVE-2019-12809?: High severity. CVSS v3 base score is 8.8 out of 10.