CVE-2026-21902

Katalog CVE

CVSS 9.8 · Critical EPSS 18,0%

Kerentanan Incorrect Permission Assignment for Critical Resource pada juniper junos os evolved. Skor CVSS 3.1 9.8 (Critical) menurut juniper.net.

Deskripsi (NVD)

An Incorrect Permission Assignment for Critical Resource vulnerability in the On-Box Anomaly detection framework of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to execute code as root. The On-Box Anomaly detection framework should only be reachable by other internal processes over the internal routing instance, but not over an externally exposed port. With the ability to access and manipulate the service to execute code as root a remote attacker can take complete control of the device. Please note that this service is enabled by default as no specific configuration is required. This issue affects Junos OS Evolved on PTX Series: * 25.4 versions before 25.4R1-S1-EVO, 25.4R2-EVO. This issue does not affect Junos OS Evolved versions before 25.4R1-EVO. This issue does not affect Junos OS.

Rincian

Terbit di NVD

25 Februari 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-732: Incorrect Permission Assignment for Critical Resource

EPSS (30 hari)

18,0% peluang dieksploitasi; lebih tinggi dari 97,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://kb.juniper.net/JSA107128 mitigasi · advisory vendor
• https://supportportal.juniper.net/JSA107128 mitigasi · advisory vendor
• https://github.com/watchtowrlabs/watchTowr-vs-JunosEvolved-CVE-2026-21902/blob/main/watchTowr-vs-JunosEvolved-... product