BlackBerry Enterprise Service 10 before 10.2.1, Universal Device Service 6, Enterprise Server Express for Domino through 5.0.4, Enterprise Server Express for Exchange through 5.0.4, Enterprise Server for Domino through 5.0.4 MR6, Enterprise Server for Exchange through 5.0.4 MR6, and Enterprise Server for GroupWise through 5.0.4 MR6 log cleartext credentials during exception handling, which might allow context-dependent attackers to obtain sensitive information by reading a log file.