{"id":"CVE-2020-14306","aliases":["EUVD-2020-6458","RHSA-2020:2795"],"status":"published","title":"Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1 servicemesh-operator security update","description":"An incorrect access control flaw was found in the operator, openshift-service-mesh/istio-rhel8-operator all versions through 1.1.3. This flaw allows an attacker with a basic level of access to the cluster to deploy a custom gateway/pod to any namespace, potentially gaining access to privileged service account tokens. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.013,"percentile":0.70678,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2020-09-16T00:00:00Z","modified":"2026-10-20T10:51:49Z","affected":[{"source":"osv","ecosystem":"Red Hat:service_mesh:1.1::el8","package":"servicemesh-operator","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.1.4-3.el8"}]}],"bundled":2}],"products":[{"vendor":"istio-operator_project","product":"istio-operator"}],"references":[{"url":"https://github.com/maistra/istio-operator/pull/462","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1850380","tags":["x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://access.redhat.com/errata/RHSA-2020:2795","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1757701","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_2795.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-11253","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-11253","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11253","tags":["advisory"]},{"url":"https://www.stackrox.com/post/2019/09/protecting-kubernetes-api-against-cve-2019-11253-billion-laughs-attack/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-14306","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-14306","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14306","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-14306","description":"An incorrect access control flaw was found in the operator, openshift-service-mesh/istio-rhel8-operator all versions through 1.1.3. This flaw allows an attacker with a basic level of access to the cluster to deploy a custom gateway/pod to any namespace, potentially gaining access to privileged service account tokens. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2020-09-16T00:00:00Z","modified":"2024-08-04T12:39:36.236Z","cwes":["CWE-862"],"updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-6458","description":"An incorrect access control flaw was found in the operator, openshift-service-mesh/istio-rhel8-operator all versions through 1.1.3. This flaw allows an attacker with a basic level of access to the cluster to deploy a custom gateway/pod to any namespace, potentially gaining access to privileged service account tokens. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2020-09-16T00:00:00Z","modified":"2024-08-04T12:39:36Z","updated_at":"2026-11-03T03:07:34.636169Z"}],"nvd":[{"id":"CVE-2020-14306","description":"An incorrect access control flaw was found in the operator, openshift-service-mesh/istio-rhel8-operator all versions through 1.1.3. This flaw allows an attacker with a basic level of access to the cluster to deploy a custom gateway/pod to any namespace, potentially gaining access to privileged service account tokens. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2020-09-16T18:15:13.017Z","modified":"2026-06-17T02:54:30.263Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:06:15.83396Z"}],"osv":[{"id":"CVE-2020-14306","description":"An incorrect access control flaw was found in the operator, openshift-service-mesh/istio-rhel8-operator all versions through 1.1.3. This flaw allows an attacker with a basic level of access to the cluster to deploy a custom gateway/pod to any namespace, potentially gaining access to privileged service account tokens. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2020-09-16T18:15:13.017Z","modified":"2026-10-20T10:51:49.825024128Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"RHSA-2020:2795","title":"Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1 servicemesh-operator security update","status":"published","published":"2024-09-16T04:34:35Z","modified":"2026-06-27T10:10:36Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:07.072948Z"}]}}