Vulnerability · Published Jan 30, 2020 · Assigned by GitHub_M

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

High 7.6

In plain English

A high-severity missing authorization in opencast from opencast. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.6High
Exploit odds (30 days)1.0%top 37.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.opencastproject:opencast-oaipmh-api7.6GHSA-6f54-3qr9-pjgj
Mavenorg.opencastproject:opencast-oaipmh-api8.1GHSA-6f54-3qr9-pjgj

Affected products (as reported)

VendorProductVersions
opencast opencast < 7.6>= 8.0, < 8.1

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

References