CVE-2021-0278

Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root.

State: Published
Severity: 8.8 High
Published: Jul 15, 2021
Updated: Sep 17, 2024
Reserved: Oct 27, 2020

Description

An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated attacker to escalate their privileges to root over the target device. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19.3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4 junos:20.1R2-S2 junos:20.1R3 junos:20.2R3-S1 junos:20.3X75-D20 junos:20.3X75-D30 junos:20.4R2-S1 junos:20.4R3 junos:21.1R1-S1 junos:21.1R2 junos:21.2R1 junos:21.3R1 This issue affects: Juniper Networks Junos OS 19.3 versions 19.3R1 and above prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.3R1.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	juniper

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
Junos OSJuniper Networks	before 19.3R1Not affected 19.3R1 to before 19.3*Affectedfrom 19.3R2-S6, 19.3R3-S3Not affected 19.4 to before 19.4R3-S5Affected 20.1 to before 20.1R2-S2, 20.1R3-S1Affected 20.2 to before 20.2R3-S2Affected 20.3 to before 20.3R3Affected 20.4 to before 20.4R2-S1, 20.4R3Affected 21.1 to before 21.1R1-S1, 21.1R2Affected

References

https://kb.juniper.net/JSA11182

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