CVE-2020-14306: An incorrect access control flaw was found in the operator, openshift-service-mesh/istio-rhel8-operator all ve

Q: How do I fix CVE-2020-14306?

istio-operator: upgrade to newer than 1.1.3. Exact commands for each OS are on this page.

Q: Is CVE-2020-14306 being exploited?

CVE-2020-14306 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-14306 affect?

CVE-2020-14306 affects istio-operator. Severity is high (CVSS 8.8). 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 a

This month

HIGH 8.8UPGRADE

CVE-2020-14306 is a high-severity flaw (CVSS 8.8) affecting istio-operator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-862
Published	2020-09-16
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: istio-operator project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-09-16 18:15 UTCPublished CVE record published
2026-06-17 02:54 UTCUpdated Record last modified

istio-operator project istio-operator UPGRADE

Affected: <= 1.1.3

Fixed in: newer than 1.1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy istio-operator || rpm -q istio-operator || istio-operator --version

2. UPGRADE to newer than 1.1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade istio-operator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade istio-operator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-14306?

istio-operator: upgrade to newer than 1.1.3. Exact commands for each OS are on this page.

Is CVE-2020-14306 being exploited?

CVE-2020-14306 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-14306 affect?

CVE-2020-14306 affects istio-operator. Severity is high (CVSS 8.8). 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 a

How urgent is CVE-2020-14306?

Priority 48/100. High severity

Software pages

Istio vulnerabilities · Red Hat OpenShift vulnerabilities

References

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