The getAlbumToDisplay function in idsShared.pm for Image Display System (IDS) 0.81 allows remote attackers to determine the existence of arbitrary directories via ".." sequences in the album parameter, which generates different error messages depending on whether the directory exists or not.

Directory traversal vulnerability in the NC854 and NC856 modules for IDS RTU 850C devices allows remote authenticated users to read arbitrary files via unspecified vectors involving an internal web server, as demonstrated by reading a TELNET credentials file.