CVE-2022-22171

Summary

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 Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 19.4R1unaffected
Juniper NetworksJunos OS19.4 < 19.4R3-S7affected
Juniper NetworksJunos OS20.1 < 20.1R3-S3affected
Juniper NetworksJunos OS20.2 < 20.2R3-S3affected
Juniper NetworksJunos OS20.3 < 20.3R3-S2affected
Juniper NetworksJunos OS20.4 < 20.4R3-S1affected
Juniper NetworksJunos OS21.1 < 21.1R3affected
Juniper NetworksJunos OS21.2 < 21.2R2affected
Juniper NetworksJunos OS21.3 < 21.3R1-S1, 21.3R2affected

Weaknesses

  • Denial of Service (DoS)
  • CWE-754: CWE-754 Improper Check for Unusual or Exceptional Conditions

Workarounds

There are no viable workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References