What is CVE-2020-7822?

CVE-2020-7822 is a high-severity vulnerability in Hmtalk Daviewindy, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-08-04.

How severe is CVE-2020-7822?

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

Buffer overflow in Hmtalk Daviewindy

CVE-2020-7822

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

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2020-08-04 · 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: 0.012 (66.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Hmtalk Daviewindy
Humantalk Co,ltd Daviewindy — versions unspecified
Microsoft Windows

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2020-7822?: CVE-2020-7822 is a high-severity vulnerability in Hmtalk Daviewindy, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-08-04.
How severe is CVE-2020-7822?: High severity. CVSS v3 base score is 7.8 out of 10.