Authentication bypass, replay attacks, hardcoded private key, information leakage.
vulners.com/securityvulns/securityvulns:doc:29149
vulners.com/securityvulns/securityvulns:doc:29150
vulners.com/securityvulns/securityvulns:doc:29151
vulners.com/securityvulns/securityvulns:doc:29152