The openscap project is a set of open source libraries that support the SCAP (Security Content Automation Protocol) set of standards from NIST. It supports CPE, CCE, CVE, CVSS, OVAL, and XCCDF.
You can download it from the following link: https://packetstormsecurity.com/files/download/133875/openscap-1.2.6.tar.gz
Source: https://packetstormsecurity.com/files/133875/OpenSCAP-Libraries-1.2.6.html