CVE-2021-31372

published 2021-10-19

CVE-2021-31372: An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated J-Web attacker to escalate their privileges to…

high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated J-Web attacker to escalate their privileges to root over the target device. This issue affects: Juniper Networks Junos OS All 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 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2;

Affected

27 ranges · showing 25

Vendor	Product	Version range	Fixed in
juniper	j-web	—	—
juniper	junos	<= 18.2	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos_os	—	—
juniper_networks	junos_os	>= 18.4 < 18.4R3-S9	18.4R3-S9
juniper_networks	junos_os	>= 19.1 < 19.1R3-S6	19.1R3-S6
juniper_networks	junos_os	>= 19.2 < 19.2R3-S3	19.2R3-S3
juniper_networks	junos_os	>= 19.3 < 19.3R3-S3	19.3R3-S3
juniper_networks	junos_os	>= 19.4 < 19.4R3-S5	19.4R3-S5
juniper_networks	junos_os	>= 20.1 < 20.1R3-S1	20.1R3-S1
juniper_networks	junos_os	>= 20.2 < 20.2R3-S2	20.2R3-S2
juniper_networks	junos_os	>= 20.3 < 20.3R3-S1	20.3R3-S1
juniper_networks	junos_os	>= 20.4 < 20.4R3	20.4R3
juniper_networks	junos_os	>= 21.1 < 21.1R2, 21.1R3	21.1R2, 21.1R3

CWE-20