How severe is CVE-2020-5188?

CVE-2020-5188 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-5188 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5188?

CVE-2020-5188 affects Dnnsoftware Dotnetnuke. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5188?

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

When was CVE-2020-5188 published?

CVE-2020-5188 was published on 2020-02-24 and last updated on 2026-06-17.

CVE-2020-5188

CVE-2020-5188 is a medium-severity vulnerability in Dnnsoftware Dotnetnuke with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Dnnsoftware Dotnetnuke
Published: 2020-02-24
Last modified: 2026-06-17

Description

DNN (formerly DotNetNuke) through 9.4.4 has Insecure Permissions.

Frequently asked questions

What is CVE-2020-5188?: DNN (formerly DotNetNuke) through 9.4.4 has Insecure Permissions.
How severe is CVE-2020-5188?: CVE-2020-5188 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-5188 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5188?: CVE-2020-5188 affects Dnnsoftware Dotnetnuke. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5188?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5188 published?: CVE-2020-5188 was published on 2020-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*

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