An issue was discovered in LIVEBOX Collaboration vDesk through v018. A Bypass of Two-Factor Authentication for SAML Users can occur under the /login/backup_code endpoint and the /api/v1/vdeskintegration/challenge endpoint. The correctness of the TOTP is not checked properly, and can be bypassed by passing any string as the backup code.

An issue was discovered in LIVEBOX Collaboration vDesk through v018. A Bypass of Two-Factor Authentication for SAML Users can occur under the /login/backup_code endpoint and the /api/v1/vdeskintegration/challenge endpoint. The correctness of the TOTP is not checked properly, and can be bypassed by passing any string as the backup code.