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    CVE-2023-44191

    An Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all Junos OS QFX5000 Series and EX4000 Series platforms, when a high number of VLANs are configured, a specific DHCP packet will cause PFE hogging which will lead to dropping of socket connections. This issue affects: Juniper Networks Junos OS on QFX5000 Series and EX4000 Series * 21.1 versions prior to 21.1R3-S5; * 21.2 versions prior to 21.2R3-S5; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S1; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2. This issue does not affect Juniper Networks Junos OS versions prior to 21.1R1

    Published:Oct 12, 2023
    Last Modified:Nov 21, 2024
    EPS:Oct 12, 2023
    EPSS Score:0.00126
    CVSS Score:7.5

    Affected Products

    Vendor
    Juniper
    Product
    Ex2300
    Vendor
    Juniper
    Product
    Ex2300-c
    Vendor
    Juniper
    Product
    Ex2300 Multigigabit
    Vendor
    Juniper
    Product
    Ex3400
    Vendor
    Juniper
    Product
    Ex4100
    Vendor
    Juniper
    Product
    Ex4100-f
    Vendor
    Juniper
    Product
    Ex4100 Multigigabit
    Vendor
    Juniper
    Product
    Ex4300
    Vendor
    Juniper
    Product
    Ex4300 Multigigabit
    Vendor
    Juniper
    Product
    Ex4400
    Vendor
    Juniper
    Product
    Ex4400-24x
    Vendor
    Juniper
    Product
    Ex4400 Multigigabit
    Vendor
    Juniper
    Product
    Ex4600
    Vendor
    Juniper
    Product
    Ex4650
    Vendor
    Juniper
    Product
    Ex9200
    Vendor
    Juniper
    Product
    Ex9250
    Vendor
    Juniper
    Product
    Junos
    Vendor
    Juniper
    Product
    Qfk5110
    Vendor
    Juniper
    Product
    Qfk5120
    Vendor
    Juniper
    Product
    Qfk5130
    Vendor
    Juniper
    Product
    Qfk5200
    Vendor
    Juniper
    Product
    Qfk5210
    Vendor
    Juniper
    Product
    Qfk5220
    Vendor
    Juniper
    Product
    Qfk5230
    Vendor
    Juniper
    Product
    Qfk5700
    Vendor
    Juniper Networks
    Product
    Junos Os

    Exploits

    No exploit reference

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High