medium6.5
CVE-2021-22877
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 alre…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nextcloud | Nextcloud Server | before 20.0.6 |
| Fedoraproject | Fedora | Version 34 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/nextcloud/server/issues/24600
- https://github.com/nextcloud/server/pull/25224
- https://hackerone.com/reports/1061591
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-004
- https://github.com/nextcloud/server/issues/24600
- https://github.com/nextcloud/server/pull/25224
- https://hackerone.com/reports/1061591
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-004