Vulnerability Description
A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appending /download to the URL.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | >= 16.0.0, < 16.0.9 |
| Fedoraproject | Fedora | 32 |
Related Weaknesses (CWE)
References
- https://hackerone.com/reports/788257Permissions Required
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-015Vendor Advisory
- https://hackerone.com/reports/788257Permissions Required
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-015Vendor Advisory
FAQ
What is CVE-2020-8139?
CVE-2020-8139 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appending /download to the URL.
How severe is CVE-2020-8139?
CVE-2020-8139 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-2020-8139?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server, Fedoraproject Fedora.