Vulnerability Description
Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | < 14.0.13 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html
- https://hackerone.com/reports/619484Permissions Required
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-012Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html
- https://hackerone.com/reports/619484Permissions Required
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-012Vendor Advisory
FAQ
What is CVE-2019-15621?
CVE-2019-15621 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.
How severe is CVE-2019-15621?
CVE-2019-15621 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-15621?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server.