EMC Celerra Network Server 6.x before 6.0.61.0, VNX 7.x before 7.0.53.2, and VNXe 2.0 and 2.1 before 2.1.3.19077 (aka MR1 SP3.2) and 2.2 before 2.2.0.19078 (aka MR2 SP0.2) do not properly implement NFS access control, which allows remote authenticated users to read or modify files via a (1) NFSv2, (2) NFSv3, or (3) NFSv4 request.