CVE-2021-3499

MediumCVSS 5.6/10Last modified Jun 17, 2026

Description

A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.

Metrics

CVSS 3.1 5.6/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-863

Affected software

VendorProductVersions
n/aopenshift/ovn-kubernetesAll ovn-kubernetes versions up to and including 0.3.0

References

Timeline

Published
Jun 2, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-3499: Medium severity, CVSS 5.6 | Vulnix