Medium severity6.5NVD Advisory· Published Feb 4, 2020· Updated Jun 17, 2026

CVE-2019-15621

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Nextcloud/Server
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Range: <14.0.13
Nextcloud/Nextcloud Enterprise Serverllm-fuzzy
Range: <16.0.1
osv-coords4 versions
pkg:rpm/opensuse/nextcloud&distro=openSUSE%20Leap%2015.1 pkg:rpm/suse/nextcloud&distro=SUSE%20Package%20Hub%2012 pkg:rpm/suse/nextcloud&distro=SUSE%20Package%20Hub%2015 pkg:rpm/suse/nextcloud&distro=SUSE%20Package%20Hub%2015%20SP1
< 15.0.14-bp151.3.3.1+ 3 more
- (no CPE)range: < 15.0.14-bp151.3.3.1
- (no CPE)range: < 15.0.14-bp151.3.3.1
- (no CPE)range: < 15.0.14-bp151.3.3.1
- (no CPE)range: < 15.0.14-bp151.3.3.1
Nextcloud/Nextcloudv5
Range: 16.0.2

Patches

Vulnerability mechanics

References

nextcloud.com/security/advisory/nvdVendor Advisory
hackerone.com/reports/619484nvdPermissions Required
lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.htmlnvd
lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.htmlnvd

News mentions

No linked articles in our index yet.

cvss	0.423
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000