UBUNTU-CVE-2021-36213

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    UBUNTU-CVE-2021-36213

    Published: 17 Jul 2021Last Modified: 24 Oct 2025
    Upstream:
    CVE-2021-36213

    Summary:

    Details: HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.

    References: https://ubuntu.com/security/CVE-2021-36213, https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855, https://www.hashicorp.com/blog/category/consul, https://github.com/hashicorp/consul/releases/tag/v1.10.1, https://www.cve.org/CVERecord?id=CVE-2021-36213

    Affected packages

    Package

    Name: consul

    Purl: pkg:deb/ubuntu/[email protected]~dfsg-3?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.6.4~dfsg-3

    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
    UBUNTU-CVE-2021-36213 | CVE-DB