CVE-2021-41180

Description

Nextcloud talk is a self hosting messaging service. In versions prior 12.1.2 an attacker is able to control the link of a geolocation preview in the Nextcloud Talk application due to a lack of validation on the link. This could result in an open-redirect, but required user interaction. This only affected users of the Android Talk client. It is recommended that the Nextcloud Talk App is upgraded to 12.1.2. There are no known workarounds.

CvssV3 impact

BaseSeverity

MEDIUM

ConfidentialityImpact

LOW

AttackComplexity

LOW

Scope

CHANGED

AttackVector

NETWORK

AvailabilityImpact

NONE

IntegrityImpact

LOW

PrivilegesRequired

NONE

BaseScore

6.1

VectorString

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

Version

3.1

UserInteraction

REQUIRED

CvssV2 impact

AccessComplexity

HIGH

ConfidentialityImpact

PARTIAL

AvailabilityImpact

NONE

IntegrityImpact

PARTIAL

BaseScore

4

VectorString

AV:N/AC:H/Au:N/C:P/I:P/A:N

Version

2.0

AccessVector

NETWORK

Authentication

NONE