CVE-2021-39155

mediumpriority · track · 30OT risk · elevatedEPSS 0.013 · 69 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.25% (69th) EPSS

CVSS 5 · medium

Is it mine?

64 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. According to [RFC 4343](https://datatracker.ietf.org/doc/html/rfc4343), Istio authorization policy should compare the hostname in the HTTP Host header in a case insensitive way, but currently the comparison is case sensitive. The proxy will route the request hostname in a case-insensitive way which means the authorization policy could be bypassed. As an example, the user may have an authorization policy that rejects request with hostname "httpbin.foo" for some source IPs, but the attacker can bypass this by sending the request with hostname "Httpbin.Foo". Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize Host header before the authorization check. This is similar to the Path normalization presented in the [Security Best Practices](https://istio.io/latest/docs/ops/best-practices/security/#case-normalization) guide.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedservicemesh-0:2.0.7-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-0:2.0.7-3.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-0:2.0.7-3.el8.src as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-0:2.0.7-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-istioctl-0:2.0.7-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-istioctl-0:2.0.7-3.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-istioctl-0:2.0.7-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-mixc-0:2.0.7-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-mixc-0:2.0.7-3.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-mixc-0:2.0.7-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-mixs-0:2.0.7-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-mixs-0:2.0.7-3.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-mixs-0:2.0.7-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-pilot-agent-0:2.0.7-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-pilot-agent-0:2.0.7-3.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-pilot-agent-0:2.0.7-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-pilot-discovery-0:2.0.7-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-pilot-discovery-0:2.0.7-3.el8.s390x as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-pilot-discovery-0:2.0.7-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/v2x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3272
Fixedservicemesh-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-0:1.1.17-3.el8.src as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-citadel-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-citadel-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-citadel-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-galley-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-galley-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-galley-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-istioctl-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-istioctl-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-istioctl-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-mixc-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-mixc-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-mixc-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-mixs-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-mixs-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-mixs-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-pilot-agent-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-pilot-agent-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-pilot-agent-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-pilot-discovery-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-pilot-discovery-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-pilot-discovery-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-sidecar-injector-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-sidecar-injector-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273
Fixedservicemesh-sidecar-injector-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh Release Notes provide information on the features and known issues: https://docs.openshift.com/container-platform/4.8/service_mesh/v1x/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2021:3273

cvss

Technical severity, 0–10. One row per scoring source.

8.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–8.3

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Lsecondary · ENISA EU

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Lsecondary · security-advisories@github.comexploitability 2.8 · impact 5.5

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Lsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Lsecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-178USprimaryCWE-863USprimaryCWE-178USCWE-863US

affected products (64)

Products and version ranges known to be affected.

istio istio≤ ≤ 1.9.8enisa_euvdEU
istio istio1.10.0, → 1.10.4enisa_euvdEU
istio istio1.11.0, → 1.11.1enisa_euvdEU
istio istio< 1.9.8nvdUScpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
istio istio1.10.0 → 1.10.4nvdUScpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
istio istio1.11.0 → 1.11.1nvdUScpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
Go istio.io/istio< 1.9.8osvUSpkg:golang/istio.io/istio
Go istio.io/istio1.10.0 → 1.10.4osvUSpkg:golang/istio.io/istio
Go istio.io/istio1.11.0 → 1.11.1osvUSpkg:golang/istio.io/istio
servicemesh-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS
servicemesh-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS
servicemesh-0:1.1.17-3.el8.src as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS
servicemesh-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS
servicemesh-0:2.0.7-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0all versionsfixedredhat_csafUS
servicemesh-0:2.0.7-3.el8.s390x as a component of OpenShift Service Mesh 2.0all versionsfixedredhat_csafUS
servicemesh-0:2.0.7-3.el8.src as a component of OpenShift Service Mesh 2.0all versionsfixedredhat_csafUS
servicemesh-0:2.0.7-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0all versionsfixedredhat_csafUS
servicemesh-citadel-0:1.1.17-3.el8.ppc64le as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS
servicemesh-citadel-0:1.1.17-3.el8.s390x as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS
servicemesh-citadel-0:1.1.17-3.el8.x86_64 as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS

showing 20 of 64

advisories (3)

Vendor and ecosystem advisories describing this.

RHSA-2021:3272Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.0.7.1 security update2021-08-25csaf · 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-2021:3273Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1.17.1 security update2021-08-25csaf · 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-7774-7vr3-cc8jAuthorization Policy Bypass Due to Case Insensitive Host Comparison2021-08-30ghsa · osvUS
### Impact According to [RFC 4343](https://datatracker.ietf.org/doc/html/rfc4343), Istio authorization policy should compare the hostname in the HTTP Host header in a case insensitive way, but currently the comparison is case sensitive. The Envoy proxy will route the request hostname in a case-insensitive way which means the authorization policy could be bypassed. As an example, the user may have an authorization policy that rejects request with hostname "httpbin.foo" for some source IPs, but the attacker can bypass this by sending the request with hostname "Httpbin.Foo". ### Patches * Istio 1.11.1 and above * Istio 1.10.4 and above * Istio 1.9.8 and above ### Workarounds A Lua filter may be written to normalize Host header before the authorization check. This is similar to the Path normalization presented in the [Security Best Practices](https://istio.io/latest/docs/ops/best-practices/security/#case-normalization) guide. ### References More details can be found in the [Istio Security Bulletin](https://istio.io/latest/news/security/istio-security-2021-008). ### For more information If you have any questions or comments about this advisory, please email us at istio-security-vulnerability-reports@googlegroups.com

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv redhat_csaf NVD CVE.org MITRE

published 2021-08-24modified 2026-06-17

related (5,148)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-71362US	—OT critical	90.5% (100th)	KEV	2026-08-11
Adobe Commerce is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. An attacker could leverage this vulnerability to gain elevated acc…
CVE-2026-42016US	high8.8OT critical	8.64% (95th)	KEV	2026-07-27
JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s…
CVE-2025-55177US	—OT critical	13.1% (96th)	KEV	2025-08-29
Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78…
CVE-2025-54253US	—OT critical	88.8% (100th)	KEV	2025-08-05
Adobe Experience Manager versions 6.5.23 and earlier are affected by a Misconfiguration vulnerability that could result in arbitrary code execution. An attacker could leverage this…
CVE-2025-21479US	—OT critical	0.84% (58th)	KEV	2025-06-03
Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

+5143 more

references (9)

External citations — patches, advisories, analysis.

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