QID 43955

Date Published: 2023-01-30

QID 43955: Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA70199)

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).

Affected Junos versions:
This issue affects Juniper Networks Junos OS: 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
QID detection logic: (Authenticated)
It checks for vulnerable Junos OS version.

ICCP connection flaps and sync issues will be observed due to excessive specific traffic to the local device.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    The following software releases have been updated to resolve this specific issue: 20.2R3-S7, 20.4R3-S4, 21.1R3-S3, 21.2R3-S1, 21.3R3, 21.4R3, 22.1R2, 22.2R1, and all subsequent releases. Please refer JSA70199

    Vendor References

    CVEs related to QID 43955

    CVE-2023-22403 |
    Software Advisories
    Advisory ID Software Component Link
    JSA70199 URL Logo kb.juniper.net/JSA70199
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