The SSH module in the Integrated Management Controller (IMC) before 2.3.1 in Cisco Unified Computing System on E-Series blade servers allows remote attackers to cause a denial of service (IMC hang) via a crafted SSH packet, aka Bug ID CSCuo69206.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.