Vulnerability in Nextcloud Server
CVE-2019-15621
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.
EPSS: 0.011 (61.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Nextcloud Nextcloud_server
- N/a Nextcloud Server — versions 16.0.2
Weakness classification (CWE)
References
- support@hackerone.com (Permissions Required, x_refsource_MISC)
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
- support@hackerone.com (vendor-advisory, x_refsource_SUSE)
- support@hackerone.com (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2019-15621?
- CVE-2019-15621 is a medium-severity vulnerability in Nextcloud Server, classified under Improper Preservation of Permissions. CVSS score: 6.5/10. Published 2020-02-04.
- How severe is CVE-2019-15621?
- Medium severity. CVSS v3 base score is 6.5 out of 10.