//schema.org/BlogPosting><div class=header-content><h1>ISTIO-SECURITY-2020-008</h1><p>Incorrect validation of wildcard DNS Subject Alternative Names.</p></div><p class=post-author>Jul 9, 2020</p><div><table><thead><tr><th colspan=2>Disclosure Details</th></tr></thead><tbody><tr><td>CVE(s)</td><td><a href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15104">CVE-2020-15104</a><br></td></tr><tr><td>CVSS Impact Score</td><td>6.6 <a href="https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV%