How severe is CVE-2020-7870?

CVE-2020-7870 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7870?

CVE-2020-7870 primarily affects Unidocs Ezpdf Editor. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-7870?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-7870 published?

CVE-2020-7870 was published on 2021-06-29 and last updated on 2026-06-17.

CVE-2020-7870

CVE-2020-7870 is a medium-severity vulnerability in Unidocs Ezpdf Editor with a CVSS 3.x base score of 6.4. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v2: 6.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Unidocs Ezpdf Editor
Published: 2021-06-29
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2020-7870?: A memory corruption vulnerability exists when ezPDF improperly handles the parameter. This vulnerability exists due to insufficient validation of the parameter.
How severe is CVE-2020-7870?: CVE-2020-7870 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7870?: CVE-2020-7870 primarily affects Unidocs Ezpdf Editor. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-7870?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7870 published?: CVE-2020-7870 was published on 2021-06-29 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36099

Affected products (2)

cpe:2.3:a:unidocs:ezpdf_editor:*:*:*:*:*:*:*:*
cpe:2.3:a:unidocs:ezpdf_reader:*:*:*:*:*:*:*:*

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