An Improper Privilege Management vulnerability in the gRPC framework, used by the Juniper Extension Toolkit (JET) API on Juniper Networks Junos OS and Junos OS Evolved, allows a network-based, low-privileged authenticated attacker to perform operations as root, leading to complete compromise of the targeted system. The issue is caused by the JET service daemon (jsd) process authenticating the user, then passing configuration operations directly to the management daemon (mgd) process, which runs as root. This issue affects Juniper Networks Junos OS: 18.4 versions prior to 18.4R1-S8, 18.4R2-S8, 18.4R3-S8; 19.1 versions prior to 19.1R2-S3, 19.1R3-S5; 19.2 versions prior to 19.2R1-S7, 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R2-S3, 20.2R3; 20.3 versions prior to 20.3R2-S1, 20.3R3; 20.4 versions prior to 20.4R2. This issue does not affect Juniper Networks Junos OS versions prior to 18.4R1. Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-EVO; 21.1-EVO versions prior to 21.1R2-EVO.
References
| Link | Resource |
|---|---|
| https://kb.juniper.net/JSA11215 | Patch Vendor Advisory |
| https://kb.juniper.net/JSA11215 | Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
21 Nov 2024, 06:05
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : 9.0
v3 : 7.5 |
| References | () https://kb.juniper.net/JSA11215 - Patch, Vendor Advisory |
Information
Published : 2021-10-19 19:15
Updated : 2024-11-21 06:05
NVD link : CVE-2021-31350
Mitre link : CVE-2021-31350
CVE.ORG link : CVE-2021-31350
JSON object : View
Products Affected
juniper
- junos
- junos_os_evolved
CWE
CWE-269
Improper Privilege Management