CVE-2020-5228 HIGH

CVE-2020-5228: Opencast allows unauthorized public access via OAI-PMH

Vendor Opencast
Product opencast
Weakness CWE-862 · Missing authorization
Published January 30, 2020
Last update August 4, 2024

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Opencast before 8.1 and 7.6 allows unauthorized public access to all media and metadata by default via OAI-PMH. OAI-PMH is part of the default workflow and is activated by default, requiring active user intervention of users to protect media. This leads to users unknowingly handing out public access to events without their knowledge. The problem has been addressed in Opencast 7.6 and 8.1 where the OAI-PMH endpoint is configured to require users with `ROLE_ADMIN` by default. In addition to this, Opencast 9 removes the OAI-PMH publication from the default workflow, making the publication a conscious decision users have to make by updating their workflows.

Key dates

02Disclosure timeline

January 30, 2020 CVE published
August 4, 2024 Record updated