CVE-2017-0936

Description

Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missing ownership check allowed logged-in users to change the scope of app passwords of other users. Note that the app passwords themselves where neither disclosed nor could the error be misused to identify as another user.

CvssV3 impact

BaseSeverity

MEDIUM

ConfidentialityImpact

NONE

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

NETWORK

AvailabilityImpact

NONE

IntegrityImpact

HIGH

PrivilegesRequired

LOW

BaseScore

5.7

VectorString

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Version

3.0

UserInteraction

REQUIRED

CvssV2 impact

Version

2.0

VectorString

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

AccessVector

NETWORK

AccessComplexity

MEDIUM

Authentication

SINGLE

ConfidentialityImpact

NONE

IntegrityImpact

PARTIAL

AvailabilityImpact

PARTIAL

BaseScore

4.900000095367432