Looks to me like a false-positive based on this info:
04.30.13 - CVE: Not Available
Platform: Unix
Title: Dropbear SSH Server Authentication Bypass
Description: Dropbear SSH Server is a secure shell server. An authentication bypass issue exists in the software, which can allow malicious users to manipulate authentication credentials in order to take control of the process' execution flow. All current versions are affected.
Ref: http://matt.ucc.asn.au/dropbear/dropbear.html