I have come across this problem when using SNMP (v2c or v3) to look at spanning tree info on a 4506 with at least 03.08.05a.E on a supervisor 7:
This is the VLAN 300 spanning tree when using the router commandline:
# show spanning-tree vlan 300
<...
Sorry to follow up on such an old thread: I am having the same problem on ASDM 7.6(1) with our 5585 running 9.4(2).11... The dialog to choose an access list from does not show any ACLs... Entering an ACL name by hand works.
