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VULNERABILITIES

CVE-2021-22877 Details

Description

A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/nextcloud/server/issues/24600 CVEExploitIssue TrackingPatchThird Party Advisory
https://github.com/nextcloud/server/pull/25224 CVEPatchThird Party Advisory
https://hackerone.com/reports/1061591 CVEIssue TrackingThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/ CVE
https://nextcloud.com/security/advisory/?id=NC-SA-2021-004 CVEBroken LinkVendor Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-862Missing Authorization[email protected]
CWE-284Improper Access Control[email protected]

Affected Products

ProductVersions
nextcloud nextcloud server
< 20.0.6

CPE

  • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
34

CPE

  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-22877
NVD Published Date:
Mar 3, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-22877 Details - Not Deferred