VDB
CVE-2021-22877
CVE-2021-22877
PUBLISHED
CVSS 6.5 MEDIUM
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.
EPSS 1.69% · 76.7th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS Score
1.69%
76.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Server | Fixed in 20.0.6 |
| fedoraproject | fedora | 34 |
| nextcloud | nextcloud_server | 0 |
Timeline
- CVE Published
- Mar 1, 2021 PoC Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 3, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
References
- https://github.com/nextcloud/server/issues/24600 discussion
- FEDORA-2021-eac0e52f88 vendor-advisory
- https://github.com/nextcloud/server/pull/25224 fix
- https://nvd.nist.gov/vuln/detail/CVE-2021-22877 advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S url
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-004 technical
- https://hackerone.com/reports/1061591 issue