7.1

CVE-2025-52949

An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a logically adjacent BGP peer sending a specifically malformed BGP packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.

Only systems configured for Ethernet Virtual Private Networking (EVPN) signaling are vulnerable to this issue. 

This issue affects iBGP and eBGP, and both IPv4 and IPv6 are affected by this vulnerability.This issue affects:

Junos OS: 



  *  all versions before 21.4R3-S11, 
  *  from 22.2 before 22.2R3-S7, 
  *  from 22.4 before 22.4R3-S7, 
  *  from 23.2 before 23.2R2-S4, 
  *  from 23.4 before 23.4R2-S5, 
  *  from 24.2 before 24.2R2-S1, 
  *  from 24.4 before 24.4R1-S3, 24.4R2; 




Junos OS Evolved: 



  *  all versions before 22.2R3-S7-EVO, 
  *  from 22.4-EVO before 22.4R3-S7-EVO, 
  *  from 23.2-EVO before 23.2R2-S4-EVO, 
  *  from 23.4-EVO before 23.4R2-S5-EVO, 
  *  from 24.2-EVO before 24.2R2-S1-EVO, 
  *  from 24.4-EVO before 24.4R1-S3-EVO, 24.4R2-EVO.

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorJuniper Networks
≫
Product Junos OS
Default Statusunaffected
Version < 21.4R3-S11
Version 0
Status affected
Version < 22.2R3-S7
Version 22.2
Status affected
Version < 22.4R3-S7
Version 22.4
Status affected
Version < 23.2R2-S4
Version 23.2
Status affected
Version < 23.4R2-S5
Version 23.4
Status affected
Version < 24.2R2-S1
Version 24.2
Status affected
Version < 24.4R1-S3, 24.4R2
Version 24.4
Status affected
VendorJuniper Networks
≫
Product Junos OS Evolved
Default Statusunaffected
Version < 22.2R3-S7-EVO
Version 0
Status affected
Version < 22.4R3-S7-EVO
Version 22.4-EVO
Status affected
Version < 23.2R2-S4-EVO
Version 23.2-EVO
Status affected
Version < 23.4R2-S5-EVO
Version 23.4-EVO
Status affected
Version < 24.2R2-S1-EVO
Version 24.2-EVO
Status affected
Version < 24.4R1-S3-EVO, 24.4R2-EVO
Version 24.4-EVO
Status affected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.02% 0.04
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
sirt@juniper.net 6.5 2.8 3.6
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
sirt@juniper.net 7.1 0 0
CVSS:4.0/AV:A/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:A/V:C/RE:M/U:Amber
CWE-130 Improper Handling of Length Parameter Inconsistency

The product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data.