Excite for Web Servers (EWS) 1.1 installs the Architext.conf authentication file with world-writeable permissions, which allows local users to gain access to Excite accounts by modifying the file.
Excite for Web Servers (EWS) 1.1 allows local users to gain privileges by obtaining the encrypted password from the world-readable Architext.conf authentication file and replaying the encrypted password in an HTTP request to AT-generated.cgi or AT-admin.cgi.
Excite for Web Servers (EWS) 1.1 records the first two characters of a plaintext password in the beginning of the encrypted password, which makes it easier for an attacker to guess passwords via a brute force or dictionary attack.