How severe is CVE-2020-14306?

CVE-2020-14306 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14306?

CVE-2020-14306 affects Istio-operator Project Istio-operator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14306?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-14306 published?

CVE-2020-14306 was published on 2020-09-16 and last updated on 2026-06-17.

CVE-2020-14306

CVE-2020-14306 is a high-severity vulnerability in Istio-operator Project Istio-operator with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Istio-operator Project Istio-operator
Published: 2020-09-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-14306?: 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.
How severe is CVE-2020-14306?: CVE-2020-14306 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-14306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14306?: CVE-2020-14306 affects Istio-operator Project Istio-operator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14306?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-14306 published?: CVE-2020-14306 was published on 2020-09-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:istio-operator_project:istio-operator:*:*:*:*:*:*:*:*

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