CVE-2026-57031

Katalog CVE

CVSS 4.7 · Medium EPSS 0,22%

Kerentanan Improper Check for Unusual or Exceptional Conditions pada juniper junos. Skor CVSS 3.1 4.7 (Medium) menurut juniper.net.

Deskripsi (NVD)

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series allows adjacent subscribers to bypass configured firewall filters. On MX Series devices with MPC10/11, LC4800/9600, and MX304 with subscribers configured on static interfaces, ingress firewall filters are not enforced, so that neither protocol level nor upstream bandwidth limitation are in effect.  This issue affects Junos OS on MX with MPC10/11, LC4800/9600/4802, and MX304: * 23.2 versions from 23.2R2-S1 before 23.2R2-S7, * 23.4 versions from 23.4R2 before 23.4R2-S7, * 24.2 versions before 24.2R2-S3, * 24.4 versions before 24.4R2-S2, * 25.2 versions before 25.2R2.

Rincian

Terbit di NVD

9 Juli 2026

Terakhir diubah

25 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

4.7 (Medium), sumber juniper.net
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-754: Improper Check for Unusual or Exceptional Conditions

EPSS (30 hari)

0,22% peluang dieksploitasi; lebih tinggi dari 11,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://supportportal.juniper.net/JSA110091 advisory vendor