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.

CvssV3 impact

Version

3.1

VectorString

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

AttackVector

NETWORK

AttackComplexity

LOW

PrivilegesRequired

LOW

UserInteraction

NONE

Scope

UNCHANGED

ConfidentialityImpact

NONE

IntegrityImpact

HIGH

AvailabilityImpact

NONE

BaseScore

6.5

BaseSeverity

MEDIUM

CvssV2 impact

Version

2.0

VectorString

AV:N/AC:L/Au:S/C:N/I:P/A:N

AccessVector

NETWORK

AccessComplexity

LOW

Authentication

SINGLE

ConfidentialityImpact

NONE

IntegrityImpact

PARTIAL

AvailabilityImpact

NONE

BaseScore

4