Riskcovery

CVE-2023-22403

Junos OS: QFX10K Series: An ICCP flap will be observed due to excessive specific traffic

State
Published
Severity
7.5 High
Published
Jan 12, 2023
Updated
Apr 7, 2025
Reserved
Dec 27, 2022

Read the record on cve.org

Description

An Allocation of Resources Without Limits or Throttling vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).

On QFX10K Series, Inter-Chassis Control Protocol (ICCP) is used in MC-LAG topologies to exchange control information between the devices in the topology. ICCP connection flaps and sync issues will be observed due to excessive specific traffic to the local device.

This issue affects Juniper Networks Junos OS on QFX10K Series:

* All versions prior to 20.2R3-S7; * 20.4 versions prior to 20.4R3-S4; * 21.1 versions prior to 21.1R3-S3; * 21.2 versions prior to 21.2R3-S1; * 21.3 versions prior to 21.3R3; * 21.4 versions prior to 21.4R3; * 22.1 versions prior to 22.1R2.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 20.2R3-S7Affected
  • 20.4 to before 20.4R3-S4Affected
  • 21.1 to before 21.1R3-S3Affected
  • 21.2 to before 21.2R3-S1Affected
  • 21.3 to before 21.3R3Affected
  • 21.4 to before 21.4R3Affected
  • 22.1 to before 22.1R2Affected

References

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