What is CVE-2020-7870?

CVE-2020-7870 is a medium-severity vulnerability in Unidocs Ezpdf Editor, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2021-06-29.

How severe is CVE-2020-7870?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Buffer overflow in Unidocs Ezpdf Editor

CVE-2020-7870

A memory corruption vulnerability exists when ezPDF improperly handles the parameter. This vulnerability exists due to insufficient validation of the parameter.

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

Published 2021-06-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2020-7870?: CVE-2020-7870 is a medium-severity vulnerability in Unidocs Ezpdf Editor, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2021-06-29.
How severe is CVE-2020-7870?: Medium severity. CVSS v3 base score is 6.4 out of 10.