What is CVE-2020-7818?

CVE-2020-7818 is a high-severity vulnerability in Hmtalk Daviewindy, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-07-17.

How severe is CVE-2020-7818?

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

Is CVE-2020-7818 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Hmtalk Daviewindy

CVE-2020-7818

DaviewIndy 8.98.9 and earlier has a Heap-based overflow vulnerability, triggered when the user opens a malformed PDF file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.

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

Published 2020-07-17 · 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 (68.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% 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
Humantolk Co.ltd Daviewindy — versions 8.98.9 and earlier

Weakness classification (CWE)

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2020-7818?: CVE-2020-7818 is a high-severity vulnerability in Hmtalk Daviewindy, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-07-17.
How severe is CVE-2020-7818?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-7818 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.