6.5

CVE-2021-22877

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Nextcloud ≫ Nextcloud Server Version < 20.0.6
Fedoraproject ≫ Fedora Version34
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.69% 0.74
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 1.2 5.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
nvd@nist.gov 5.5 8 4.9
AV:N/AC:L/Au:S/C:P/I:P/A:N
CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CWE-862 Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/
https://github.com/nextcloud/server/issues/24600
Patch
Third Party Advisory
Exploit
Issue Tracking
https://github.com/nextcloud/server/pull/25224
Patch
Third Party Advisory
https://hackerone.com/reports/1061591
Third Party Advisory
Issue Tracking
https://nextcloud.com/security/advisory/?id=NC-SA-2021-004
Vendor Advisory
Broken Link