The SNMP Agent in Xerox WorkCentre and WorkCentre Pro before 12.050.03.000, 13.x before 13.050.03.000, and 14.x before 14.050.03.000 returns no error for a non-writable object, which has unknown impact and attack vectors.  NOTE: due to the vagueness of the advisory, it is not clear whether this is a vulnerability, or a bug in a security feature.