CVE-2019-15621

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/02/2020

Last modified:

17/06/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:L/Au:S/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

4.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:nextcloud:nextcloud_server::::::::		14.0.13 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server::::::::	15.0.0 (including)	15.0.9 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server::::::::	16.0.0 (including)	16.0.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2019-15621

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools