csirt@kutim:~/threat-intel/cve/CVE-2021-31360

Katalog CVE

CVSS 7.1 · High EPSS 0,21%

Kerentanan Improper Input Validation pada juniper junos. Skor CVSS 3.1 7.1 (High) menurut juniper.net.

Deskripsi (NVD)

An improper privilege management vulnerability in the Juniper Networks Junos OS and Junos OS Evolved command-line interpreter (CLI) allows a low-privileged user to overwrite local files as root, possibly leading to a system integrity issue or Denial of Service (DoS). Depending on the files overwritten, exploitation of this vulnerability could lead to a sustained Denial of Service (DoS) condition, requiring manual user intervention to recover. Systems are only vulnerable if jdhcpd is running, which can be confirmed via the 'show system processes' command. For example: root@host# run show system processes extensive | match dhcp 26537 root -16 0 97568K 13692K RUN 0 0:01 3.71% jdhcpd This issue affects: Juniper Networks Junos OS: All versions, including the following supported releases: 15.1 versions prior to 15.1R7-S10; 17.4 versions prior to 17.4R3-S5; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R3-S6; 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 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2. Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-S3-EVO; All versions of 21.1-EVO.

Rincian

Terbit di NVD
19 Oktober 2021
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
7.1 (High), sumber juniper.net
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-20: Improper Input Validation
CWE-269: Improper Privilege Management
EPSS (30 hari)
0,21% peluang dieksploitasi; lebih tinggi dari 10,1% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
juniper junos Versi 15.1
juniper junos Versi 15.1 a1
juniper junos Versi 15.1 f
juniper junos Versi 15.1 f1
juniper junos Versi 15.1 f2
juniper junos Versi 15.1 f2-s1
juniper junos Versi 15.1 f2-s2
juniper junos Versi 15.1 f2-s3
juniper junos Versi 15.1 f2-s4
juniper junos Versi 15.1 f3
juniper junos Versi 15.1 f4
juniper junos Versi 15.1 f5
juniper junos Versi 15.1 f5-s7
juniper junos Versi 15.1 f6
juniper junos Versi 15.1 f6-s1
juniper junos Versi 15.1 f6-s10
juniper junos Versi 15.1 f6-s12
juniper junos Versi 15.1 f6-s2
juniper junos Versi 15.1 f6-s3
juniper junos Versi 15.1 f6-s4
juniper junos Versi 15.1 f6-s5
juniper junos Versi 15.1 f6-s6
juniper junos Versi 15.1 f6-s7
juniper junos Versi 15.1 f6-s8
juniper junos Versi 15.1 f6-s9
juniper junos Versi 15.1 f7
juniper junos Versi 15.1 r
juniper junos Versi 15.1 r1
juniper junos Versi 15.1 r2
juniper junos Versi 15.1 r3
juniper junos Versi 15.1 r4
juniper junos Versi 15.1 r4-s7
juniper junos Versi 15.1 r4-s8
juniper junos Versi 15.1 r4-s9
juniper junos Versi 15.1 r5
juniper junos Versi 15.1 r5-s1
juniper junos Versi 15.1 r5-s3
juniper junos Versi 15.1 r5-s5
juniper junos Versi 15.1 r5-s6
juniper junos Versi 15.1 r6
juniper junos Versi 15.1 r6-s1
juniper junos Versi 15.1 r6-s2
juniper junos Versi 15.1 r6-s3
juniper junos Versi 15.1 r6-s4
juniper junos Versi 15.1 r6-s6
juniper junos Versi 15.1 r7
juniper junos Versi 15.1 r7-s1
juniper junos Versi 15.1 r7-s2
juniper junos Versi 15.1 r7-s3
juniper junos Versi 15.1 r7-s4
juniper junos Versi 15.1 r7-s5
juniper junos Versi 15.1 r7-s6
juniper junos Versi 15.1 r7-s7
juniper junos Versi 15.1 r7-s8
juniper junos Versi 15.1 r7-s9
juniper junos Versi 17.4
juniper junos Versi 17.4 r1
juniper junos Versi 17.4 r1-s1
juniper junos Versi 17.4 r1-s2
juniper junos Versi 17.4 r1-s3

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 221 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.