snmpd in SCO OpenServer has an SNMP community string that is writable by default, which allows local attackers to modify the host's configuration.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2000-0146
http://www.securityfocus.com/bid/973
http://archives.neohapsis.com/archives/bugtraq/2000-02/0045.html