CVE Feed

    Dashboard / CVE / CVE-2024-39519

    CVE-2024-39519

    An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). On all ACX 7000 Series platforms running Junos OS Evolved, and configured with IRBs, if a Customer Edge device (CE) device is dual homed to two Provider Edge devices (PE) a traffic loop will occur when the CE sends multicast packets. This issue can be triggered by IPv4 and IPv6 traffic. This issue affects Junos OS Evolved:  All versions from 22.2R1-EVO and later versions before 22.4R2-EVO, This issue does not affect Junos OS Evolved versions before 22.1R1-EVO.

    Published:Jul 11, 2024
    Last Modified:Nov 21, 2024
    EPS:Jul 11, 2024
    EPSS Score:0.00242
    CVSS Score:6.5

    Affected Products

    Vendor
    Juniper
    Product
    Acx7024
    Vendor
    Juniper
    Product
    Acx7024x
    Vendor
    Juniper
    Product
    Acx7100-32c
    Vendor
    Juniper
    Product
    Acx7100-48l
    Vendor
    Juniper
    Product
    Acx7332
    Vendor
    Juniper
    Product
    Acx7348
    Vendor
    Juniper
    Product
    Acx7509
    Vendor
    Juniper
    Product
    Junos Os Evolved

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-59967 (CVSS 7.1) — A NULL Pointer Dereference vulnerability in the PFE management daemon (evo-pfemand) of Juniper Networks Junos …
    CVE-2024-47490 (CVSS 7.7) — An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in the Packet Forwarding …
    CVE-2024-47489 (CVSS 6.9) — An Improper Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of the Juni…
    CVE-2024-39538 (CVSS 7.1) — A Buffer Copy without Checking Size of Input vulnerability in the PFE management daemon (evo-pfemand) of Junip…
    CVE-2024-39537 (CVSS 6.9) — An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos…
    CVE-2024-39535 (CVSS 7.1) — An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of…
    CVE-2024-39531 (CVSS 8.7) — An Improper Handling of Values vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos O…
    CVE-2024-30406 (CVSS 6.7) — A Cleartext Storage in a File on Disk vulnerability in Juniper Networks Junos OS Evolved ACX Series devices us…

    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