IBM BladeCenter SAS Connectivity Module (aka NSSM) and SAS RAID Module (aka RSSM) before 1.3.3.006 allow remote attackers to obtain blade and storage-pool access via a TELNET session.
https://exchange.xforce.ibmcloud.com/vulnerabilities/93054
http://www.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096774