Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset (Juniper Networks Junos OS)
En bref
- Source
- NVD
- EPSS
- EPSS 0.17 % · centile 6 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- juniper
- Statut NVD
- Modified
Rechercher sur…
Description
An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service (DoS). An attacker repeatedly sending the packet will sustain the Denial of Service (DoS).This issue affects Junos OS: * 25.2 versions before 25.2R2 This issue does not affect Junos OS versions before 25.2R1. This issue affects Junos OS Evolved: * 25.2-EVO versions before 25.2R2-EVO This issue does not affect Junos OS Evolved versions before 25.2R1-EVO. eBGP and iBGP are affected. IPv4 and IPv6 are affected.
Faiblesses (CWE)
- CWE-20 — Validation d'entrée incorrecte
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | juniper |
| CVSS 4.0 | HIGH 7.1 | 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/AU:Y/R:A/V:C/RE:M/U:Green | juniper |
| CVSS 4.0 | HIGH 7.1 | 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:Green | NVD · sirt@juniper.net (Secondary) |
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | NVD · sirt@juniper.net (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-21208
- GCVE · GCVE-0-2026-33797
Avis du CERT-FR
- CERTFR-2026-AVI-0408 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:juniper:junos:25.2:-:*:*:*:*:*:*cpe:2.3:o:juniper:junos:25.2:r1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:25.2:r1-s1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:25.2:r1-s2:*:*:*:*:*:*cpe:2.3:o:juniper:junos_os_evolved:25.2:-:*:*:*:*:*:*cpe:2.3:o:juniper:junos_os_evolved:25.2:r1:*:*:*:*:*:*cpe:2.3:o:juniper:junos_os_evolved:25.2:r1-s1:*:*:*:*:*:*cpe:2.3:o:juniper:junos_os_evolved:25.2:r1-s2:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Juniper Networks · Junos OS | affected 25.2 < 25.2R2 ; unaffected 0 < 25.2R1 |
| Juniper Networks · Junos OS Evolved | affected 25.2 < 25.2R2-EVO ; unaffected 0 < 25.2R1-EVO |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |