CVE-2020-8181 Information

Description

A missing file type check in Nextcloud Contacts 3.2.0 allowed a malicious user to upload any file as avatars.

CVSS Vector

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

Reference

https://hackerone.com/reports/808287 https://nextcloud.com/security/advisory/?id=NC-SA-2020-024

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3