medium5.3
CVE-2021-32741
Nextcloud Server is a Nextcloud package that handles data storage.
Impact
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the public share link mount endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nextcloud | Nextcloud Server | before 19.0.13 from 20.0.0 before 20.0.11 from 21.0.0 before 21.0.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-crvj-vmf7-xrvr
- https://github.com/nextcloud/server/pull/26958
- https://hackerone.com/reports/1192144
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-crvj-vmf7-xrvr
- https://github.com/nextcloud/server/pull/26958
- https://hackerone.com/reports/1192144