csirt@kutim:~/threat-intel/cve/CVE-2021-31354

Katalog CVE

CVSS 8.8 · High EPSS 0,63%

Kerentanan Out-of-bounds Read pada juniper junos, juniper junos os evolved. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

An Out Of Bounds (OOB) access vulnerability in the handling of responses by a Juniper Agile License (JAL) Client in Juniper Networks Junos OS and Junos OS Evolved, configured in Network Mode (to use Juniper Agile License Manager) may allow an attacker to cause a partial Denial of Service (DoS), or lead to remote code execution (RCE). The vulnerability exists in the packet parsing logic on the client that processes the response from the server using a custom protocol. An attacker with control of a JAL License Manager, or with access to the local broadcast domain, may be able to spoof a new JAL License Manager and/or craft a response to the Junos OS License Client, leading to exploitation of this vulnerability. This issue only affects Junos systems configured in Network Mode. Systems that are configured in Standalone Mode (the default mode of operation for all systems) are not vulnerable to this issue. This issue affects: Juniper Networks Junos OS: 19.2 versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2. Juniper Networks Junos OS Evolved: version 20.1R1-EVO and later versions, prior to 21.2R2-EVO. This issue does not affect Juniper Networks Junos OS versions prior to 19.2R1.

Rincian

Terbit di NVD
19 Oktober 2021
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
8.8 (High), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-125: Out-of-bounds Read
EPSS (30 hari)
0,63% peluang dieksploitasi; lebih tinggi dari 48,7% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
juniper junos Versi 19.2
juniper junos Versi 19.2 r1
juniper junos Versi 19.2 r1-s1
juniper junos Versi 19.2 r1-s2
juniper junos Versi 19.2 r1-s3
juniper junos Versi 19.2 r1-s4
juniper junos Versi 19.2 r1-s5
juniper junos Versi 19.2 r1-s6
juniper junos Versi 19.2 r2
juniper junos Versi 19.2 r2-s1
juniper junos Versi 19.2 r3
juniper junos Versi 19.2 r3-s1
juniper junos Versi 19.2 r3-s2
juniper junos Versi 19.3
juniper junos Versi 19.3 r1
juniper junos Versi 19.3 r1-s1
juniper junos Versi 19.3 r2
juniper junos Versi 19.3 r2-s1
juniper junos Versi 19.3 r2-s2
juniper junos Versi 19.3 r2-s3
juniper junos Versi 19.3 r2-s4
juniper junos Versi 19.3 r2-s5
juniper junos Versi 19.3 r3
juniper junos Versi 19.3 r3-s1
juniper junos Versi 19.3 r3-s2
juniper junos Versi 20.1 r1
juniper junos Versi 20.1 r1-s1
juniper junos Versi 20.1 r1-s2
juniper junos Versi 20.1 r1-s3
juniper junos Versi 20.1 r1-s4
juniper junos Versi 20.1 r2
juniper junos Versi 20.1 r2-s1
juniper junos Versi 20.1 r3
juniper junos Versi 20.2 r1
juniper junos Versi 20.2 r1-s1
juniper junos Versi 20.2 r1-s2
juniper junos Versi 20.2 r1-s3
juniper junos Versi 20.2 r2
juniper junos Versi 20.2 r2-s1
juniper junos Versi 20.2 r2-s2
juniper junos Versi 20.2 r2-s3
juniper junos Versi 20.2 r3
juniper junos Versi 20.2 r3-s1
juniper junos Versi 20.3 r1
juniper junos Versi 20.3 r1-s1
juniper junos Versi 20.3 r2
juniper junos Versi 20.3 r2-s1
juniper junos Versi 20.4 r1
juniper junos Versi 20.4 r1-s1
juniper junos Versi 20.4 r2
juniper junos Versi 20.4 r2-s1
juniper junos Versi 21.1 r1
juniper junos Versi 21.1 r1-s1
juniper junos os evolved Versi 20.1 r1
juniper junos os evolved Versi 20.1 r1-s1
juniper junos os evolved Versi 20.1 r2
juniper junos os evolved Versi 20.1 r2-s1
juniper junos os evolved Versi 20.1 r2-s2
juniper junos os evolved Versi 20.1 r2-s3
juniper junos os evolved Versi 20.1 r2-s4

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 89 konfigurasi; daftar lengkap ada 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.