CVE-2021-31920
mediumPriorität · verfolgen · 26OT-Risiko · erhöhtEPSS 0.013 · 71. PerzentilEUUSEPSS · bewertet 2026-10-27
Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behobenservicemesh-0:2.0.4-1.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-0:2.0.4-1.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-0:2.0.4-1.el8.src as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-0:2.0.4-1.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-istioctl-0:2.0.4-1.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-istioctl-0:2.0.4-1.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-istioctl-0:2.0.4-1.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-mixc-0:2.0.4-1.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-mixc-0:2.0.4-1.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-mixc-0:2.0.4-1.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-mixs-0:2.0.4-1.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-mixs-0:2.0.4-1.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-mixs-0:2.0.4-1.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-operator-0:2.0.4-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-operator-0:2.0.4-3.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-operator-0:2.0.4-3.el8.src as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-operator-0:2.0.4-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-pilot-agent-0:2.0.4-1.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-pilot-agent-0:2.0.4-1.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-pilot-agent-0:2.0.4-1.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-pilot-discovery-0:2.0.4-1.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-pilot-discovery-0:2.0.4-1.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1538 - Behobenservicemesh-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-0:1.1.14-1.el8.src as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-citadel-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-citadel-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-citadel-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-galley-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-galley-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-galley-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-istioctl-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-istioctl-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-istioctl-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-mixc-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-mixc-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-mixc-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-mixs-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-mixs-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-mixs-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-pilot-agent-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-pilot-agent-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-pilot-discovery-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-sidecar-injector-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540 - Behobenservicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1540
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 4–8.1
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (64)
Betroffene Produkte und Versionsbereiche.
Advisories (3)
Hersteller- und Ökosystem-Meldungen dazu.
- RHSA-2021:1538Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.0.4 security update2021-05-11csaf · redhat_csafUS
An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 2.0. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- RHSA-2021:1540Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1.14 security update2021-05-11csaf · redhat_csafUS
An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 1.1. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- GHSA-6q5m-22mq-q2xvIstio Authorization Bypass Vulnerability2022-05-24ghsa · osvUS
Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used.
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (9)
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/security/cve/cve-2021-31920cnnvd
- https://istio.io/latest/news/releases/1.9.x/announcing-1.9.5/Patchcnnvd
- https://istio.io/latest/news/security/istio-security-2021-005/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-31920cnnvd
- https://packetstormsecurity.com/files/162544/Red-Hat-Security-Advisory-2021-1538-01.htmlcnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.1608cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021052510cnnvd
- https://istio.io/latest/news/security/istio-security-2021-005/enisa_euvd
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