TRACE method is enabled in SAP Business One Service Layer . Attacker can use XST (Cross Site Tracing) attack if frontend applications that are using Service Layer has a XSS vulnerability. This has been fixed in SAP Business One Service Layer (B1ONHANA, versions 9.2, 9.3).
Under certain conditions, SAP Business One, 9.2, 9.3, for SAP HANA backup service allows an attacker to access information which would otherwise be restricted.
Under certain conditions SAP Business One client (B1ONHANA, SAP-M-BO), before versions 9.2 and 9.3, allows an attacker to access information which would otherwise be restricted.