csirt@kutim:~/threat-intel/cve/CVE-2021-0262

Katalog CVE

CVSS 6.5 · Medium EPSS 0,40%

Kerentanan Use After Free pada juniper junos. Skor CVSS 3.1 6.5 (Medium) menurut juniper.net.

Deskripsi (NVD)

Through routine static code analysis of the Juniper Networks Junos OS software codebase, the Secure Development Life Cycle team identified a Use After Free vulnerability in PFE packet processing on the QFX10002-60C switching platform. Exploitation of this vulnerability may allow a logically adjacent attacker to trigger a Denial of Service (DoS). Continued exploitation of this vulnerability will sustain the Denial of Service (DoS) condition. This issue only affects QFX10002-60C devices. No other product or platform is vulnerable to this issue. This issue affects Juniper Networks Junos OS on QFX10002-60C: 19.1 version 19.1R3-S1 and later versions; 19.1 versions prior to 19.1R3-S3; 19.2 version 19.2R2 and later versions; 19.2 versions prior to 19.2R3-S1; 20.2 versions prior to 20.2R1-S2. This issue does not affect Juniper Networks Junos OS: versions prior to 19.1R3; 19.2 versions prior to 19.2R2; any version of 19.3; version 20.2R2 and later releases.

Rincian

Terbit di NVD
22 April 2021
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
6.5 (Medium), sumber juniper.net
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-416: Use After Free
EPSS (30 hari)
0,40% peluang dieksploitasi; lebih tinggi dari 32,8% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
juniper junos Versi 19.1 r3-s1
juniper junos Versi 19.1 r3-s2
juniper junos Versi 19.2 r2
juniper junos Versi 19.2 r2-s1
juniper junos Versi 19.2 r3
juniper junos Versi 20.2 r1
juniper junos Versi 20.2 r1-s1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.