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    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.

    Published:Apr 14, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 2, 2021
    EPSS Score:0.00135
    CVSS Score:5.6

    Affected Products

    Vendor
    Ovn
    Product
    Ovn-kubernetes
    Vendor
    Redhat
    Product
    Openshift

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High