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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2022-22171

Junos OS: Specific packets over VXLAN cause FPC reset

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause the PFE to reset. This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R1-S1, 21.3R2. This issue does not affect versions of Junos OS prior to 19.4R1.

Affected products

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

Juniper Networks Junos OS

  • unspecified to < 19.4R1unaffected
  • 19.4 to < 19.4R3-S7affected
  • 20.1 to < 20.1R3-S3affected
  • 20.2 to < 20.2R3-S3affected
  • 20.3 to < 20.3R3-S2affected
  • 20.4 to < 20.4R3-S1affected
  • 21.1 to < 21.1R3affected
  • 21.2 to < 21.2R2affected
  • 21.3 to < 21.3R1-S1, 21.3R2affected

References