6.9

CVE-2025-52951

Junos OS: IPv6 firewall filter fails to match payload-protocol

A Protection Mechanism Failure vulnerability in kernel filter processing of Juniper Networks Junos OS allows an attacker sending IPv6 traffic destined to the device to effectively bypass any firewall filtering configured on the interface.

Due to an issue with Junos OS kernel filter processing, the 'payload-protocol' match is not being supported, causing any term containing it to accept all packets without taking any other action. In essence, these firewall filter terms were being processed as an 'accept' for all traffic on the interface destined for the control plane, even when used in combination with other match criteria.

This issue only affects firewall filters protecting the device's control plane. Transit firewall filtering is unaffected 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-S5, 
  *  from 24.2 before 24.2R2-S1, 
  *  from 24.4 before 24.4R1-S2, 24.4R2.



This is a more complete fix for previously published CVE-2024-21607 (JSA75748).
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 23.4 Update r2-s4
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 24.2 Update r2
Juniper ≫ Junos Version 24.4 Update -
Juniper ≫ Junos Version 24.4 Update r1
Juniper ≫ Junos Version 24.4 Update r2
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.233
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Juniper 6.9 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/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 5.8 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE-693 Protection Mechanism Failure

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

https://supportportal.juniper.net/JSA100055
Vendor Advisory