CVE-2021-0226

Summary

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 Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS Evolved19.4-EVO < 19.4R2-S3-EVOaffected
Juniper NetworksJunos OS Evolved20.1-EVO < 20.1R2-S3-EVOaffected
Juniper NetworksJunos OS Evolved20.2-EVO < 20.2R2-S1-EVOaffected
Juniper NetworksJunos OS Evolved20.3-EVO < 20.3R2-EVOaffected

Weaknesses

  • Denial of Service (DoS)
  • CWE-665: CWE-665: Improper Initialization

Workarounds

There are no viable workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References