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.
References
https://github.com/nextcloud/server/issues/24600
ExploitIssue TrackingPatchThird Party Advisory
https://github.com/nextcloud/server/pull/25224
PatchThird Party Advisory
https://hackerone.com/reports/1061591
Issue TrackingThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-004
Broken LinkVendor Advisory
CVSS impact metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
6.5 · Medium
CVSS V3.1
CVSS V3.0
CVSS V2.0
Information
Source identifier
Vulnerability status
Modified
Published
2021-03-03T18:15:14.707
4 years agoLast modified
2023-11-07T03:30:27.240
1 year ago