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CVE-2021-0253

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 18.3R3-S4, 19.1R1-S3, 19.2R3, 19.3R3, 19.4R2-S2
None on Exploit-DB, Metasploit or GitHub

Summary

NFX Series devices using Juniper Networks Junos OS are susceptible to a local command 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 17.2 version 17.2R1 and later versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S5, 18.4R3-S5; 19.1 versions prior to 19.1R1-S3; 19.2 version 19.1R2 and later versions prior to 19.2R3; 19.3 versions prior to 19.3R3; 19.4 versions prior to 19.4R2-S2. 19.4 versions 19.4R3 and above. This issue does not affect Juniper Networks Junos OS versions prior to 17.2R1. 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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Juniper Networks Junos OS

    fixed in 18.3R3-S4; From 17.2R1; From 19.1 · fixed in 19.1R1-S3; From 19.1R2 · fixed in 19.2R3; From 19.3 · fixed in 19.3R3; From 19.4 · fixed in 19.4R2-S2

  • Juniper Networks Junos OS

    Version range not reported

References 2

kb.juniper.net

GitHub · orangecertcc/security-research