CVEvulnerability

CVE-2021-3499

5.6 MEDIUM Published 2021-06-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-06-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.6 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-863

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.

Affected configurations

• ovn ovn-kubernetes (<= 0.3.0)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References