Recommendation ITU-T X.1526 provides a structured means for the global exchange of publicly available security content and for the standardization of the transfer of this information across the entire spectrum of security tools and services. The Open Vulnerability and Assessment Language (OVAL) includes a language used to encode system details, and an assortment of content repositories held throughout the community.
ITU-T X.1526-2013 history
2014ITU-T X.1526-2014 Language for the open definition of vulnerabilities and for the assessment of a system state
2013ITU-T X.1526-2013 (Pre-Published) Open vulnerability and assessment language