What is CVE-2020-7852?

CVE-2020-7852 is a high-severity vulnerability in Hmtalk Daviewindy, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-03-24.

How severe is CVE-2020-7852?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Hmtalk Daviewindy

CVE-2020-7852

DaviewIndy has a Heap-based overflow vulnerability, triggered when the user opens a malformed ex.j2c format file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.

Vulnerability class: Buffer Overflow

Published 2021-03-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Hmtalk Daviewindy
Humantalk Daviewindy — versions unspecified
Microsoft Windows

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2020-7852?: CVE-2020-7852 is a high-severity vulnerability in Hmtalk Daviewindy, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-03-24.
How severe is CVE-2020-7852?: High severity. CVSS v3 base score is 7.8 out of 10.