Riskcovery

CVE-2022-22247

Junos OS Evolved: Kernel processing of unvalidated TCP segments could lead to a Denial of Service (DoS)

State
Published
Severity
7.5 High
Published
Oct 18, 2022
Updated
May 9, 2025
Reserved
Dec 21, 2021

Read the record on cve.org

Description

An Improper Input Validation vulnerability in ingress TCP segment processing of Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker to send a crafted TCP segment to the device, triggering a kernel panic, leading to a Denial of Service (DoS) condition. Continued receipt and processing of this TCP segment could create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS Evolved: 21.3 versions prior to 21.3R3-EVO; 21.4 versions prior to 21.4R2-EVO; 22.1 versions prior to 22.1R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.3R1-EVO.

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-20 Improper Input Validation

Affected Products

ProductVersions
Junos OS EvolvedJuniper Networks
  • before 21.3R1-EVONot affected
  • 21.3-EVO to before 21.3R3-EVOAffected
  • 21.4-EVO to before 21.4R2-EVOAffected
  • 22.1-EVO to before 22.1R2-EVOAffected

References

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