def get_severity(self, advisory):
        # Following the CVSS Scoring per https://nvd.nist.gov/vuln-metrics/cvss
        if 'cvss' in advisory:
            if advisory['cvss'] <= 3.9:
                severity = "Low"
            elif advisory['cvss'] >= 4.0 and advisory['cvss'] <= 6.9:
                severity = "Medium"
            elif advisory['cvss'] >= 7.0 and advisory['cvss'] <= 8.9:
                severity = "High"
            else:
                severity = "Critical"
        else:
            if advisory["severity"] == "SUGGEST" or advisory["severity"] == "NA" or advisory["severity"] == "NONE":
                severity = "Info"
            else:
                severity = advisory["severity"].title()

        return severity