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High · 7.8 CVE-2021-0252 EUVD-2021-2871GHSA-wrfm-cj7g-8822

Junos OS: NFX Series: Local Code Execution Vulnerability in JDMD Leads to Privilege Escalation

Published Apr 22, 2021 · Updated Sep 17, 2024 · Assigned by juniper

Description

NFX Series devices using Juniper Networks Junos OS are susceptible to a local code execution vulnerability thereby allowing an attacker to elevate their privileges via the Junos Device Management Daemon (JDMD) process. This issue affects Juniper Networks Junos OS on NFX Series: 18.1 version 18.1R1 and later versions prior to 18.2R3-S5; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4; 19.1 versions prior to 19.1R1-S3, 19.1R2; 19.2 versions prior to 19.2R1-S5, 19.2R2. This issue does not affect: Juniper Networks Junos OS versions prior to 18.1R1. This issue does not affect the JDMD as used by Junos Node Slicing such as External Servers use in conjunction with Junos Node Slicing and In-Chassis Junos Node Slicing on MX480, MX960, MX2008, MX2010, MX2020.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS 18.1R1 – < 18.1*, 18.2 – < 18.2R3-S5, 18.3 – < 18.3R2-S4, 18.3R3-S3, 18.4 – < 18.4R2-S5, 18.4R3-S4, 19.1 – < 19.1R1-S3, 19.1R2, 19.2 – < 19.2R1-S5, 19.2R2 18.1*

References