CVE Vulnerability

CVE-2021-3499

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.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

5.6 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1949188 Issue Tracking Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:ovn:ovn-kubernetes:*:*:*:*:*:*:*:*
Information

Published : 2021-06-02 04:15

Updated : 2023-02-12 11:41

NVD link : CVE-2021-3499

Mitre link : CVE-2021-3499

Products Affected
No products.
CWE
CWE-863