8.7

CVE-2024-47502

Junos OS Evolved: TCP session state is not always cleared on the Routing Engine leading to DoS

An Allocation of Resources Without Limits or Throttling vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).

In specific cases the state of TCP sessions that are terminated is not cleared, which over time leads to an exhaustion of resources, preventing new connections to the control plane from being established.

A continuously increasing number of connections shown by:



user@host > show system connections



is indicative of the problem. To recover the respective RE needs to be restarted manually.

This issue only affects IPv4 but does not affect IPv6.
This issue only affects TCP sessions established in-band (over an interface on an FPC) but not out-of-band (over the management ethernet port on the routing-engine).

This issue affects Junos OS Evolved: 

  *  All versions before 21.4R3-S9-EVO,
  *  22.2 versions before 22.2R3-S4-EVO,
  *  22.4 version before 22.4R3-S3-EVO,
  *  23.2 versions before 23.2R2-S1-EVO,
  *  23.4 versions before 23.4R2-EVO.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Juniper ≫ Junos Os Evolved Version < 21.4
Juniper ≫ Junos Os Evolved Version 21.4 Update -
Juniper ≫ Junos Os Evolved Version 21.4 Update r1
Juniper ≫ Junos Os Evolved Version 21.4 Update r1-s1
Juniper ≫ Junos Os Evolved Version 21.4 Update r1-s2
Juniper ≫ Junos Os Evolved Version 21.4 Update r2
Juniper ≫ Junos Os Evolved Version 21.4 Update r2-s1
Juniper ≫ Junos Os Evolved Version 21.4 Update r2-s2
Juniper ≫ Junos Os Evolved Version 21.4 Update r3
Juniper ≫ Junos Os Evolved Version 21.4 Update r3-s1
Juniper ≫ Junos Os Evolved Version 21.4 Update r3-s2
Juniper ≫ Junos Os Evolved Version 21.4 Update r3-s3
Juniper ≫ Junos Os Evolved Version 21.4 Update r3-s4
Juniper ≫ Junos Os Evolved Version 21.4 Update r3-s5
Juniper ≫ Junos Os Evolved Version 21.4 Update r3-s6
Juniper ≫ Junos Os Evolved Version 21.4 Update r3-s7
Juniper ≫ Junos Os Evolved Version 21.4 Update r3-s8
Juniper ≫ Junos Os Evolved Version 22.2 Update -
Juniper ≫ Junos Os Evolved Version 22.2 Update r1
Juniper ≫ Junos Os Evolved Version 22.2 Update r1-s1
Juniper ≫ Junos Os Evolved Version 22.2 Update r1-s2
Juniper ≫ Junos Os Evolved Version 22.2 Update r2
Juniper ≫ Junos Os Evolved Version 22.2 Update r2-s1
Juniper ≫ Junos Os Evolved Version 22.2 Update r2-s2
Juniper ≫ Junos Os Evolved Version 22.2 Update r3
Juniper ≫ Junos Os Evolved Version 22.2 Update r3-s1
Juniper ≫ Junos Os Evolved Version 22.2 Update r3-s2
Juniper ≫ Junos Os Evolved Version 22.2 Update r3-s3
Juniper ≫ Junos Os Evolved Version 22.4 Update -
Juniper ≫ Junos Os Evolved Version 22.4 Update r1
Juniper ≫ Junos Os Evolved Version 22.4 Update r1-s1
Juniper ≫ Junos Os Evolved Version 22.4 Update r1-s2
Juniper ≫ Junos Os Evolved Version 22.4 Update r2
Juniper ≫ Junos Os Evolved Version 22.4 Update r2-s1
Juniper ≫ Junos Os Evolved Version 22.4 Update r2-s2
Juniper ≫ Junos Os Evolved Version 22.4 Update r3
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s1
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s2
Juniper ≫ Junos Os Evolved Version 23.2 Update -
Juniper ≫ Junos Os Evolved Version 23.2 Update r1
Juniper ≫ Junos Os Evolved Version 23.2 Update r1-s1
Juniper ≫ Junos Os Evolved Version 23.2 Update r1-s2
Juniper ≫ Junos Os Evolved Version 23.2 Update r2
Juniper ≫ Junos Os Evolved Version 23.4 Update -
Juniper ≫ Junos Os Evolved Version 23.4 Update r1
Juniper ≫ Junos Os Evolved Version 23.4 Update r1-s1
Juniper ≫ Junos Os Evolved Version 23.4 Update r1-s2
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.64% 0.465
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Juniper 8.7 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:M/U:X
Juniper 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

https://supportportal.juniper.net/JSA88132
Vendor Advisory