CVE-2021-29659 Information

Description

ownCloud 10.7 has an incorrect access control vulnerability leading to remote information disclosure. Due to a bug in the related API endpoint the attacker can enumerate all users in a single request by entering three whitespaces. Secondary the retrieval of all users on a large instance could cause higher than average load on the instance.

CVSS Vector

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

Reference

https://owncloud.com/security-advisories/cve-2021-29659/ https://doc.owncloud.com/server/admin_manual/release_notes.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5