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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
hackeroneCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
VendorProductVersion
nextcloudnextcloud_server
𝑥
< 14.0.13
nextcloudnextcloud_server
15.0.0 ≤
𝑥
< 15.0.9
nextcloudnextcloud_server
16.0.0 ≤
𝑥
< 16.0.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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/619484
https://nextcloud.com/security/advisory/?id=NC-SA-2020-012
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/619484
https://nextcloud.com/security/advisory/?id=NC-SA-2020-012