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Vulnerability record · CVE-2020-8228 · published 5 October 2020

CVE-2020-8228: Nextcloud preferred providers improper restriction of authentication attempts vulnerability

Nextcloud · Preferred Providers

A missing rate limit in the Preferred Providers app 1.7.0 allowed an attacker to set the password an uncontrolled amount of times.

5.3 CVSS 3.1 Medium EPSS 1.9% · top 20.9% CWE-840 · CWE-840CWE-307 · Improper restriction of authentication attempts
5.3CVSS 3.1 base score, v2 5.0
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A missing rate limit in the Preferred Providers app 1.7.0 allowed an attacker to set the password an uncontrolled amount of times.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html Third Party Advisory
https://hackerone.com/reports/922470 ExploitThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-033 Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html Third Party Advisory
https://hackerone.com/reports/922470 ExploitThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-033 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-8228), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.