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CVE-2021-0253

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CVE-2021-0253

Published: Apr 22, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

7.8

HIGH

Description

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.

VendorProductVersions

Juniper Networks

Junos OS

affected
unspecified - < 18.3R3-S4
affected
17.2R1 - < 17.2*
affected
18.4 - < 18.4R2-S5, 18.4R3-S5
affected
19.1 - < 19.1R1-S3
affected
19.1R2 - < 19.2*

+2 more versions

Juniper Networks

Junos OS

unaffected
unspecified - < 17.2R1

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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