The CWSAPI SOAP service in HP ArcSight SmartConnectors before 7.1.6 has a hardcoded password, which makes it easier for remote attackers to obtain administrative access by leveraging knowledge of this password.
HP ArcSight SmartConnectors before 7.1.6 do not verify X.509 certificates from Logger devices, which allows man-in-the-middle attackers to spoof devices and obtain sensitive information via a crafted certificate.