NDP452-KB2901907-x86-x64-AllOS-ENU.exe is Microsoft .NET Framework 4.5.2 (Offline Installer) for Windows Vista SP2, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2008 SP2, Windows Server 2008 R2 SP1, Windows Server 2012 and Windows Server 2012 R2.
It was noticed that after running PMImport task version 7.1.590 (and lower) in Symantec Mangement Console the patch does not show up. However a similar patch "NET Framework 4.5.1" presents in the list.
A general perception is that if the packages have a similar content then both of it should be included into the database.
There are no errors.
The main cause of this situation is that the patches were classified differently.
Run PMImport task and let it complete successfully. Verify the version after that, it should 7.1.592 or higher.
All ITMS 7.1.x and 7.5.x with Patch Mangement Solution installed affected up to PMImport version 7.1.592.