Riskcovery

CVE-2022-22195

Junos OS Evolved: Specific packets reaching the RE lead to a counter overflow and eventually a crash

State
Published
Severity
7.5 High
Published
Apr 14, 2022
Updated
Sep 16, 2024
Reserved
Dec 21, 2021

Read the record on cve.org

Description

An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.

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-911 Improper Update of Reference Count

Affected Products

ProductVersions
Junos OS EvolvedJuniper Networks
  • before 20.4R3-S1-EVOAffected
  • 21.1 to before 21.1R3-EVOAffected
  • 21.2 to before 21.2R3-EVOAffected
  • 21.3 to before 21.3R2-EVOAffected
Junos OSJuniper Networks
  • anyNot affected

References

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