How severe is CVE-2019-12809?

CVE-2019-12809 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-12809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12809?

CVE-2019-12809 affects Yes24 Viewer Activex. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12809?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-12809 published?

CVE-2019-12809 was published on 2019-08-15 and last updated on 2026-06-17.

CVE-2019-12809

CVE-2019-12809 is a high-severity vulnerability in Yes24 Viewer Activex with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-494.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-494
Affected product: Yes24 Viewer Activex
Published: 2019-08-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-12809?: CVE-2019-12809 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-12809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12809?: CVE-2019-12809 affects Yes24 Viewer Activex. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-12809 published?: CVE-2019-12809 was published on 2019-08-15 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35117

Affected products (1)

cpe:2.3:a:yes24:viewer_activex:*:*:*:*:*:*:*:*

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