Vulnerability Monitor

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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

2024-07-11T16:15:02.717

Last Modified

2024-11-21T09:27:54.717

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-754
  • Type: Primary
    CWE-754
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System juniper junos_os_evolved < 22.4 Yes
Operating System juniper junos_os_evolved 22.4 Yes
Operating System juniper junos_os_evolved 22.4 Yes
Operating System juniper junos_os_evolved 22.4 Yes
Operating System juniper junos_os_evolved 22.4 Yes
Hardware juniper acx7024 - No
Hardware juniper acx7024x - No
Hardware juniper acx7100-32c - No
Hardware juniper acx7100-48l - No
Hardware juniper acx7332 - No
Hardware juniper acx7348 - No
Hardware juniper acx7509 - No
References