Solaris...
I need to automate running of scsudo from another script. However, I've determined that scsudo reads the password from /dev/tty rather than STDIN when the Password prompt appears. I don't have 'expect' or equivalents available - can I automate sending the correct password when prompted?
Yes, it does; this is by design, it's a security feature. It's a very stern warning about keeping plaintext passwords around where unintended people might possibly read or intercept them; they're very hard to protect. Configure sudo to let you in without a password instead. If you can login to the relevant user with ssh, you could arrange passwordless ssh with keys instead of sudo.