Description
A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rules causing load and potential DDoS on later interactions and usage with those rules.
Metrics
CVSS 3.1 6.5/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Server | Fixed in 20.0.2, 19.0.5, 18.0.11 |
References
- https://hackerone.com/reports/1018146Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-001Broken Link, Vendor Advisory
- https://hackerone.com/reports/1018146Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-001Broken Link, Vendor Advisory
Timeline
- Published
- Jan 26, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified