Improper Authentication vulnerability in Gallagher Command Centre Server allows an unauthenticated remote attacker to create items with invalid configuration, potentially causing the server to crash and fail to restart. This issue affects: Gallagher Command Centre 8.30 versions prior to 8.30.1299(MR2); 8.20 versions prior to 8.20.1218(MR4); 8.10 versions prior to 8.10.1253(MR6); 8.00 versions prior to 8.00.1252(MR7); version 7.90 and prior versions.