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CVE-2021-31921

istio/istio: authorization bypass when using AUTO_PASSTHROUGH

Veröffentlicht Geändert CWE 862
In der Trivy Database seit spätestens 24. Okt. 2026, 07:11 UTCWann der Eintrag vor diesem Build hinzukam, ist nicht erfasst.

Einstufung nach Quelle

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut Red Hat (hoch), Oracle (hoch).

Beschreibung

Istio before 1.8.6 and 1.9.x before 1.9.5 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 AUTO_PASSTHROUGH routing configuration.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
Oracle Linux 7istio, istio-istioctl, kubeadm und 11 weitere1.10.2-2.el7 und 2 weitere
Oracle Linux 8istio, istio-istioctl, istio-pilot-agent und 13 weitere1.10.2-2.el8 und 3 weitere
Alle 30 Einträge aus 2 Quellen zeigen
QuellePaketBehoben in
Oracle Linux 7istio1.10.2-2.el7
Oracle Linux 7istio-istioctl1.10.2-2.el7
Oracle Linux 7kubeadm1.20.6-2.el7
Oracle Linux 7kubectl1.20.6-2.el7
Oracle Linux 7kubelet1.20.6-2.el7
Oracle Linux 7olcne-agent1.3.1-5.el7
Oracle Linux 7olcne-api-server1.3.1-5.el7
Oracle Linux 7olcne-grafana-chart1.3.1-5.el7
Oracle Linux 7olcne-istio-chart1.3.1-5.el7
Oracle Linux 7olcne-nginx1.3.1-5.el7
Oracle Linux 7olcne-olm-chart1.3.1-5.el7
Oracle Linux 7olcne-prometheus-chart1.3.1-5.el7
Oracle Linux 7olcne-utils1.3.1-5.el7
Oracle Linux 7olcnectl1.3.1-5.el7
Oracle Linux 8istio1.10.2-2.el8
Oracle Linux 8istio-istioctl1.10.2-2.el8
Oracle Linux 8istio-pilot-agent1.9.6-2.el8
Oracle Linux 8istio-pilot-discovery1.9.6-2.el8
Oracle Linux 8kubeadm1.20.6-2.el8
Oracle Linux 8kubectl1.20.6-2.el8
Oracle Linux 8kubelet1.20.6-2.el8
Oracle Linux 8olcne-agent1.3.1-5.el8
Oracle Linux 8olcne-api-server1.3.1-5.el8
Oracle Linux 8olcne-grafana-chart1.3.1-5.el8
Oracle Linux 8olcne-istio-chart1.3.1-5.el8
Oracle Linux 8olcne-nginx1.3.1-5.el8
Oracle Linux 8olcne-olm-chart1.3.1-5.el8
Oracle Linux 8olcne-prometheus-chart1.3.1-5.el8
Oracle Linux 8olcne-utils1.3.1-5.el8
Oracle Linux 8olcnectl1.3.1-5.el8

Referenzen

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.