CVE-2021-37628 HIGH

CVE-2021-37628: File Drop can be bypassed using Richdocuments app in nextcloud

Vendor Nextcloud
Product security-advisories
Weakness CWE-639 · IDOR
Published September 7, 2021
Last update August 4, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Nextcloud Richdocuments is an open source collaborative office suite. In affected versions the File Drop features ("Upload Only" public link shares in Nextcloud) can be bypassed using the Nextcloud Richdocuments app. An attacker was able to read arbitrary files in such a share. It is recommended that the Nextcloud Richdocuments is upgraded to 3.8.4 or 4.2.1. If upgrading is not possible then it is recommended to disable the Richdocuments application.

Key dates

02Disclosure timeline

September 7, 2021 CVE published
August 4, 2024 Record updated