CVE-2020-14306

Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1 servicemesh-operator security update

8.8 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.30%Up 0.7 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Record: CVE-2020-14306
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-862
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-14306
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2020-6458 No score

Record: EUVD-2020-6458
Updated: 2026-11-03

OSV 8.8

Record: CVE-2020-14306
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2020:2795 8.8

Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1 servicemesh-operator security update

Record: RHSA-2020:2795
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

istio-operator project istio-operator

Affected packages

Affected packages
Package	Affected	Fixed
`servicemesh-operator` Red Hat:service_mesh:1.1::el8 From an advisory covering 2 CVEs	before 0:1.1.4-3.el8	0:1.1.4-3.el8

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-14306 is a high vulnerability (CVSS 8.8) in Istio-operator Project Istio-operator, published September 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. No source names a fixed version.

References

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