.org/BlogPosting><div class=header-content><h1>ISTIO-SECURITY-2021-002</h1><p>Upgrades from older Istio versions can affect access control to an ingress gateway due to a change of container ports.</p></div><p class=post-author>Apr 7, 2021</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=N%2fA">N/A</a><br></td></tr><tr><td>CVSS Impact Score</td><td>N/A <a href="https://nvd.nist.gov/vuln-metrics/cv