Format string vulnerability in the log function in Georgia SoftWorks SSH2 Server (GSW_SSHD) 7.01.0003 and earlier allows remote attackers to execute arbitrary code via format string specifiers in the username field, as demonstrated by a certain LoginPassword message.
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.