PR:N/UI:N/S:C/C:L/I:L/A:L">AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L</a></li></ul></li><li><strong><a href="https://cve.mitre.org/cgi-bin/cvename.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=/v1.19/news/security/istio-security-2021-006>ISTIO-SECURITY