How severe is CVE-2020-8202?

CVE-2020-8202 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2020-8202 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8202?

CVE-2020-8202 affects Nextcloud Preferred Providers. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8202?

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

When was CVE-2020-8202 published?

CVE-2020-8202 was published on 2020-07-30 and last updated on 2026-06-17.

CVE-2020-8202

CVE-2020-8202 is a medium-severity vulnerability in Nextcloud Preferred Providers with a CVSS 3.x base score of 5.3. 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-307.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Nextcloud Preferred Providers
Published: 2020-07-30
Last modified: 2026-06-17

Description

Improper check of inputs in Nextcloud Preferred Providers app v1.6.0 allowed to perform a denial of service attack when using a very long password.

Frequently asked questions

What is CVE-2020-8202?: Improper check of inputs in Nextcloud Preferred Providers app v1.6.0 allowed to perform a denial of service attack when using a very long password.
How severe is CVE-2020-8202?: CVE-2020-8202 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2020-8202 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8202?: CVE-2020-8202 affects Nextcloud Preferred Providers. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8202?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8202 published?: CVE-2020-8202 was published on 2020-07-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nextcloud:preferred_providers:1.6.0:*:*:*:*:*:*:*

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