Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
  • Products

    Top Products

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Products

    Downloads and Containers

    • Downloads
    • Packages
    • Containers

    Top Resources

    • Documentation
    • Product Life Cycles
    • Product Compliance
    • Errata
  • Knowledge

    Red Hat Knowledge Center

    • Knowledgebase Solutions
    • Knowledgebase Articles
    • Customer Portal Labs
    • Errata

    Top Product Docs

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Product Docs

    Training and Certification

    • About
    • Course Index
    • Certification Index
    • Skill Assessment
  • Security

    Red Hat Product Security Center

    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Errata

    References

    • Security Bulletins
    • Security Measurement
    • Severity Ratings
    • Security Data

    Top Resources

    • Security Labs
    • Backporting Policies
    • Security Blog
  • Support

    Red Hat Support

    • Support Cases
    • Troubleshoot
    • Get Support
    • Contact Red Hat Support

    Red Hat Community Support

    • Customer Portal Community
    • Community Discussions
    • Red Hat Accelerator Program

    Top Resources

    • Product Life Cycles
    • Customer Portal Labs
    • Red Hat JBoss Supported Configurations
    • Red Hat Insights
Or troubleshoot an issue.

Select Your Language

  • English
  • Français
  • 한국어
  • 日本語
  • 中文 (中国)

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Insights
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat OpenStack Platform
  • Red Hat OpenShift
  • Red Hat OpenShift AI
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat OpenShift Dev Spaces
  • Red Hat OpenShift Service on AWS

Storage

  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat OpenShift Data Foundation

Runtimes

  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat build of Keycloak
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Application Foundations
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
All Products
Red Hat Product Errata RHSA-2020:2684 - Security Advisory
Issued:
2020-06-23
Updated:
2020-06-23

RHSA-2020:2684 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: containernetworking-plugins security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for containernetworking-plugins is now available for Red Hat Enterprise Linux 7 Extras.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The Container Network Interface (CNI) project consists of a specification and libraries for writing plug-ins for configuring network interfaces in Linux containers, along with a number of supported plug-ins. CNI concerns itself only with network connectivity of containers and removing allocated resources when the container is deleted.

Security Fix(es):

  • containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters (CVE-2020-10749)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

  • BZ - 1833220 - CVE-2020-10749 containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters

CVEs

  • CVE-2020-10749

References

  • https://access.redhat.com/security/updates/classification/#moderate
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 7

SRPM
containernetworking-plugins-0.8.3-3.el7_8.src.rpm SHA-256: 1cb777fa5043bb33a18d6cc1f434136f21d2422ad6badb37b24f38acba7703b7
x86_64
containernetworking-plugins-0.8.3-3.el7_8.x86_64.rpm SHA-256: 3867683e9ba170061bb4aaa3a13fb5d8f2dd9160c56b2434af5097234e16c3fb
containernetworking-plugins-debuginfo-0.8.3-3.el7_8.x86_64.rpm SHA-256: 1e0d6938954aa4876f3265e03898421d2d185ce9836077b9481a5ee56af71374

Red Hat Enterprise Linux Workstation 7

SRPM
containernetworking-plugins-0.8.3-3.el7_8.src.rpm SHA-256: 1cb777fa5043bb33a18d6cc1f434136f21d2422ad6badb37b24f38acba7703b7
x86_64
containernetworking-plugins-0.8.3-3.el7_8.x86_64.rpm SHA-256: 3867683e9ba170061bb4aaa3a13fb5d8f2dd9160c56b2434af5097234e16c3fb
containernetworking-plugins-debuginfo-0.8.3-3.el7_8.x86_64.rpm SHA-256: 1e0d6938954aa4876f3265e03898421d2d185ce9836077b9481a5ee56af71374

Red Hat Enterprise Linux for IBM z Systems 7

SRPM
containernetworking-plugins-0.8.3-3.el7_8.src.rpm SHA-256: 1cb777fa5043bb33a18d6cc1f434136f21d2422ad6badb37b24f38acba7703b7
s390x
containernetworking-plugins-0.8.3-3.el7_8.s390x.rpm SHA-256: cb550f15bfed4c8fcc564fafbc5f3f5fefd5bad5a8192b2b997b55f678921ed3
containernetworking-plugins-debuginfo-0.8.3-3.el7_8.s390x.rpm SHA-256: 685fb88360686f7f1fbde7bf8547e33a4c41f0955a74d6f18f0f2996bf47a7c6

Red Hat Enterprise Linux for Power, little endian 7

SRPM
containernetworking-plugins-0.8.3-3.el7_8.src.rpm SHA-256: 1cb777fa5043bb33a18d6cc1f434136f21d2422ad6badb37b24f38acba7703b7
ppc64le
containernetworking-plugins-0.8.3-3.el7_8.ppc64le.rpm SHA-256: 8aa021e968f19acd5f3a30a24836b2cf5c41bad930dbefa17dd4612b141a62ce
containernetworking-plugins-debuginfo-0.8.3-3.el7_8.ppc64le.rpm SHA-256: a572d7988339735f4808f530af972808fb39ff7aa2e039adb2c1c1cc452ef245

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

Red Hat LinkedIn YouTube Facebook X, formerly Twitter

Quick Links

  • Downloads
  • Subscriptions
  • Support Cases
  • Customer Service
  • Product Documentation

Help

  • Contact Us
  • Customer Portal FAQ
  • Log-in Assistance

Site Info

  • Trust Red Hat
  • Browser Support Policy
  • Accessibility
  • Awards and Recognition
  • Colophon

Related Sites

  • redhat.com
  • developers.redhat.com
  • connect.redhat.com
  • cloud.redhat.com

Red Hat legal and privacy links

  • About Red Hat
  • Jobs
  • Events
  • Locations
  • Contact Red Hat
  • Red Hat Blog
  • Inclusion at Red Hat
  • Cool Stuff Store
  • Red Hat Summit
© 2025 Red Hat, Inc.

Red Hat legal and privacy links

  • Privacy statement
  • Terms of use
  • All policies and guidelines
  • Digital accessibility