The parse_command function in Genecys 0.2 and earlier allows remote attackers to cause a denial of service (crash) via a command with a missing ":" (colon) separator, which triggers a null dereference.
Exploitability
AV:NAC:LAu:NImpact
C:NI:NA:P5/AV:N/AC:L/Au:N/C:N/I:N/A:P