How severe is CVE-2020-7864?

CVE-2020-7864 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7864?

CVE-2020-7864 affects Dext5 Dext5 Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7864?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-7864 published?

CVE-2020-7864 was published on 2021-06-15 and last updated on 2026-06-17.

CVE-2020-7864

CVE-2020-7864 is a high-severity vulnerability in Dext5 Dext5 Editor with a CVSS 3.x base score of 7.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Dext5 Dext5 Editor
Published: 2021-06-15
Last modified: 2026-06-17

Description

Parameter manipulation can bypass authentication to cause file upload and execution. This will execute the remote code. This issue affects: Raonwiz DEXT5Editor versions prior to 3.5.1405747.1100.03.

Frequently asked questions

What is CVE-2020-7864?: Parameter manipulation can bypass authentication to cause file upload and execution. This will execute the remote code. This issue affects: Raonwiz DEXT5Editor versions prior to 3.5.1405747.1100.03.
How severe is CVE-2020-7864?: CVE-2020-7864 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7864?: CVE-2020-7864 affects Dext5 Dext5 Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7864?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-7864 published?: CVE-2020-7864 was published on 2021-06-15 and last updated on 2026-06-17.

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36085

Affected products (1)

cpe:2.3:a:dext5:dext5_editor:*:*:*:*:*:*:*:*

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