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.

CVSS v3 5.6 MEDIUM
CVSS v2.0 6.8 MEDIUM

5.6^/10

CVSS v3 : MEDIUM

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

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:21

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1949188 - Issue Tracking, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1949188 - Issue Tracking, Third Party Advisory

Information

Published : 2021-06-02 16:15

Updated : 2024-11-21 06:21

NVD link : CVE-2021-3499

Mitre link : CVE-2021-3499

CVE.ORG link : CVE-2021-3499

JSON object : View

Products Affected

ovn

ovn-kubernetes

CWE

CWE-863

Incorrect Authorization

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