Skip to content
CVE PROGRAM SOURCE RECORD7.1 High

CVE-2021-0226

Junos OS Evolved: The IPv6 BGP session will flap due to receipt of a specific IPv6 packet

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
juniper

Description

On Juniper Networks Junos OS Evolved devices, receipt of a specific IPv6 packet may cause an established IPv6 BGP session to terminate, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue does not affect IPv4 BGP sessions. This issue affects IBGP or EBGP peer sessions with IPv6. This issue affects: Juniper Networks Junos OS Evolved: 19.4 versions prior to 19.4R2-S3-EVO; 20.1 versions prior to 20.1R2-S3-EVO; 20.2 versions prior to 20.2R2-S1-EVO; 20.3 versions prior to 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS releases.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS Evolved

  • 19.4-EVO to < 19.4R2-S3-EVOaffected
  • 20.1-EVO to < 20.1R2-S3-EVOaffected
  • 20.2-EVO to < 20.2R2-S1-EVOaffected
  • 20.3-EVO to < 20.3R2-EVOaffected

References