.cgi?name=CVE-2021-31921">CVE-2021-31921</a></strong>:
Istio contains a remotely exploitable vulnerability where an external client can access unexpected services in the cluster, bypassing authorization checks, when a gateway is configured with <code>AUTO_PASSTHROUGH</code> routing configuration. See the <a href=/v1.22/news/security/istio-security-2021-006/>ISTIO-SECURITY-2021-006 bulletin</a> for more details.<ul><li><strong>CVSS Score</strong>: 10.0 <a href="https://nvd.nist.gov/vuln-metrics/cvss/v3-calcu