CVE-2026-21916

Katalog CVE

CVSS 7.3 · High EPSS 0,13%

Kerentanan UNIX Symbolic Link (Symlink) Following pada juniper junos. Skor CVSS 3.1 7.3 (High) menurut juniper.net.

Deskripsi (NVD)

A UNIX Symbolic Link (Symlink) Following vulnerability in the CLI of Juniper Networks Junos OS allows a local, authenticated attacker with low privileges to escalate their privileges to root which will lead to a complete compromise of the system. When after a user has performed a specific 'file link ...' CLI operation, another user commits (unrelated configuration changes), the first user can login as root. This issue affects Junos OS: * all versions before 23.2R2-S7, * 23.4 versions before 23.4R2-S6, * 24.2 versions before 24.2R2-S3, * 24.4 versions before 24.4R2-S2, * 25.2 versions before 25.2R2. This issue does not affect versions 25.4R1 or later.

Rincian

Terbit di NVD

9 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-61: UNIX Symbolic Link (Symlink) Following

EPSS (30 hari)

0,13% peluang dieksploitasi; lebih tinggi dari 2,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://kb.juniper.net/JSA107807 mitigasi · advisory vendor