CVE-2000-0955
Cisco Virtual Central Office 4000 (VCO/4K) uses weak encryption to store usernames and passwords in the SNMP MIB, which allows an attacker who knows the community name to crack the password and gain privileges.
Date published : 2000-11-29
http://www.atstake.com/research/advisories/2000/a102600-1.txt