An issue was discovered in LIVEBOX Collaboration vDesk through v018. Broken Access Control exists under the /api/v1/vdeskintegration/saml/user/createorupdate endpoint, the /settings/guest-settings endpoint, the /settings/samlusers-settings endpoint, and the /settings/users-settings endpoint. A malicious user (already logged in as a SAML User) is able to achieve privilege escalation from a low-privilege user (FGM user) to an administrative user (GGU user), including the administrator, or create new users even without an admin role.

An issue was discovered in LIVEBOX Collaboration vDesk through v018. Broken Access Control exists under the /api/v1/vdeskintegration/saml/user/createorupdate endpoint, the /settings/guest-settings endpoint, the /settings/samlusers-settings endpoint, and the /settings/users-settings endpoint. A malicious user (already logged in as a SAML User) is able to achieve privilege escalation from a low-privilege user (FGM user) to an administrative user (GGU user), including the administrator, or create new users even without an admin role.