7.1

CVE-2025-52953

Junos OS and Junos OS Evolved: An unauthenticated adjacent attacker sending a valid BGP UPDATE packet forces a BGP session reset

An Expected Behavior Violation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker sending a valid BGP UPDATE packet to cause a BGP session reset, resulting in a Denial of Service (DoS). 

Continuous receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.

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

This issue affects Junos OS:


  *  All versions before 21.2R3-S9,
  *  from 21.4 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-S4,
  *  from 24.2 before 24.2R2,
  *  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-S4-EVO,
  *  from 24.2-EVO before 24.2R2-EVO,
  *  from 24.4-EVO before 24.4R1-S3-EVO, 24.4R2-EVO.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Juniper ≫ Junos Version < 21.2
Juniper ≫ Junos Version 21.2 Update -
Juniper ≫ Junos Version 21.2 Update r1
Juniper ≫ Junos Version 21.2 Update r1-s1
Juniper ≫ Junos Version 21.2 Update r1-s2
Juniper ≫ Junos Version 21.2 Update r2
Juniper ≫ Junos Version 21.2 Update r2-s1
Juniper ≫ Junos Version 21.2 Update r2-s2
Juniper ≫ Junos Version 21.2 Update r3
Juniper ≫ Junos Version 21.2 Update r3-s1
Juniper ≫ Junos Version 21.2 Update r3-s2
Juniper ≫ Junos Version 21.2 Update r3-s3
Juniper ≫ Junos Version 21.2 Update r3-s4
Juniper ≫ Junos Version 21.2 Update r3-s5
Juniper ≫ Junos Version 21.2 Update r3-s6
Juniper ≫ Junos Version 21.2 Update r3-s7
Juniper ≫ Junos Version 21.2 Update r3-s8
Juniper ≫ Junos Version 21.4 Update -
Juniper ≫ Junos Version 21.4 Update r1
Juniper ≫ Junos Version 21.4 Update r1-s1
Juniper ≫ Junos Version 21.4 Update r1-s2
Juniper ≫ Junos Version 21.4 Update r2
Juniper ≫ Junos Version 21.4 Update r2-s1
Juniper ≫ Junos Version 21.4 Update r2-s2
Juniper ≫ Junos Version 21.4 Update r3
Juniper ≫ Junos Version 21.4 Update r3-s1
Juniper ≫ Junos Version 21.4 Update r3-s10
Juniper ≫ Junos Version 21.4 Update r3-s2
Juniper ≫ Junos Version 21.4 Update r3-s3
Juniper ≫ Junos Version 21.4 Update r3-s4
Juniper ≫ Junos Version 21.4 Update r3-s5
Juniper ≫ Junos Version 21.4 Update r3-s6
Juniper ≫ Junos Version 21.4 Update r3-s7
Juniper ≫ Junos Version 21.4 Update r3-s8
Juniper ≫ Junos Version 21.4 Update r3-s9
Juniper ≫ Junos Version 22.2 Update -
Juniper ≫ Junos Version 22.2 Update r1
Juniper ≫ Junos Version 22.2 Update r1-s1
Juniper ≫ Junos Version 22.2 Update r1-s2
Juniper ≫ Junos Version 22.2 Update r2
Juniper ≫ Junos Version 22.2 Update r2-s1
Juniper ≫ Junos Version 22.2 Update r2-s2
Juniper ≫ Junos Version 22.2 Update r3
Juniper ≫ Junos Version 22.2 Update r3-s1
Juniper ≫ Junos Version 22.2 Update r3-s2
Juniper ≫ Junos Version 22.2 Update r3-s3
Juniper ≫ Junos Version 22.2 Update r3-s4
Juniper ≫ Junos Version 22.2 Update r3-s5
Juniper ≫ Junos Version 22.2 Update r3-s6
Juniper ≫ Junos Version 22.4 Update -
Juniper ≫ Junos Version 22.4 Update r1
Juniper ≫ Junos Version 22.4 Update r1-s1
Juniper ≫ Junos Version 22.4 Update r1-s2
Juniper ≫ Junos Version 22.4 Update r2
Juniper ≫ Junos Version 22.4 Update r2-s1
Juniper ≫ Junos Version 22.4 Update r2-s2
Juniper ≫ Junos Version 22.4 Update r3
Juniper ≫ Junos Version 22.4 Update r3-s1
Juniper ≫ Junos Version 22.4 Update r3-s2
Juniper ≫ Junos Version 22.4 Update r3-s3
Juniper ≫ Junos Version 22.4 Update r3-s4
Juniper ≫ Junos Version 22.4 Update r3-s5
Juniper ≫ Junos Version 22.4 Update r3-s6
Juniper ≫ Junos Version 23.2 Update -
Juniper ≫ Junos Version 23.2 Update r1
Juniper ≫ Junos Version 23.2 Update r1-s1
Juniper ≫ Junos Version 23.2 Update r1-s2
Juniper ≫ Junos Version 23.2 Update r2
Juniper ≫ Junos Version 23.2 Update r2-s1
Juniper ≫ Junos Version 23.2 Update r2-s2
Juniper ≫ Junos Version 23.2 Update r2-s3
Juniper ≫ Junos Version 23.4 Update -
Juniper ≫ Junos Version 23.4 Update r1
Juniper ≫ Junos Version 23.4 Update r1-s1
Juniper ≫ Junos Version 23.4 Update r1-s2
Juniper ≫ Junos Version 23.4 Update r2
Juniper ≫ Junos Version 23.4 Update r2-s1
Juniper ≫ Junos Version 23.4 Update r2-s2
Juniper ≫ Junos Version 23.4 Update r2-s3
Juniper ≫ Junos Version 24.2 Update -
Juniper ≫ Junos Version 24.2 Update r1
Juniper ≫ Junos Version 24.2 Update r1-s1
Juniper ≫ Junos Version 24.2 Update r1-s2
Juniper ≫ Junos Version 24.4 Update -
Juniper ≫ Junos Version 24.4 Update r1
Juniper ≫ Junos Version 24.4 Update r1-s2
Juniper ≫ Junos Version 24.4 Update r2
Juniper ≫ Junos Os Evolved Version < 22.2
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 22.2 Update r3-s4
Juniper ≫ Junos Os Evolved Version 22.2 Update r3-s5
Juniper ≫ Junos Os Evolved Version 22.2 Update r3-s6
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 22.4 Update r3-s3
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s4
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s5
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s6
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 23.2 Update r2-s1
Juniper ≫ Junos Os Evolved Version 23.2 Update r2-s2
Juniper ≫ Junos Os Evolved Version 23.2 Update r2-s3
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
Juniper ≫ Junos Os Evolved Version 23.4 Update r2
Juniper ≫ Junos Os Evolved Version 23.4 Update r2-s1
Juniper ≫ Junos Os Evolved Version 23.4 Update r2-s2
Juniper ≫ Junos Os Evolved Version 23.4 Update r2-s3
Juniper ≫ Junos Os Evolved Version 24.2 Update -
Juniper ≫ Junos Os Evolved Version 24.2 Update r1
Juniper ≫ Junos Os Evolved Version 24.2 Update r1-s2
Juniper ≫ Junos Os Evolved Version 24.4 Update -
Juniper ≫ Junos Os Evolved Version 24.4 Update r1
Juniper ≫ Junos Os Evolved Version 24.4 Update r1-s2
Juniper ≫ Junos Os Evolved Version 24.4 Update r2
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.27% 0.193
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Juniper 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
Juniper 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
CWE-440 Expected Behavior Violation

A feature, API, or function does not perform according to its specification.

https://supportportal.juniper.net/JSA100059
Vendor Advisory
https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/task/routing-protocol-bgp-security-configuring.html
Technical Description