Vulnerability Details : 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.
Products affected by CVE-2019-15621
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-15621
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-15621
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:N |
8.0
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2019-15621
-
The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-15621
-
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html
[security-announce] openSUSE-SU-2020:0229-1: moderate: Security update f
-
https://hackerone.com/reports/619484
Sign inPermissions Required
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http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html
[security-announce] openSUSE-SU-2020:0220-1: moderate: Security update f
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https://nextcloud.com/security/advisory/?id=NC-SA-2020-012
advisory – NextcloudVendor Advisory
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