CVE-2021-0215 Information

Description

On Juniper Networks Junos EX series QFX Series MX Series and SRX branch series devices a memory leak occurs every time the 802.1X authenticator port interface flaps which can lead to other processes such as the pfex process responsible for packet forwarding to crash and restart. An administrator can use the following CLI command to monitor the status of memory consumption: user@device> show task memory detail Please refer to https://kb.juniper.net/KB31522 for details. This issue affects Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D54; 15.1X49 versions prior to 15.1X49-D240 ; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S8; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S11 17.4R3-S2; 18.1 versions prior to 18.1R3-S10 ; 18.2 versions prior to 18.2R2-S7 18.2R3-S3; 18.3 versions prior to 18.3R2-S4 18.3R3-S2; 18.4 versions prior to 18.4R1-S7 18.4R2-S4 18.4R3-S2; 19.1 versions prior to 19.1R1-S5 19.1R2-S2 19.1R3; 19.2 versions prior to 19.2R1-S5 19.2R2; 19.3 versions prior to 19.3R2-S3 19.3R3; 19.4 versions prior to 19.4R1-S2 19.4R2. This issue does not affect Juniper Networks Junos OS 12.3 15.1.

CVSS Vector

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

Reference

https://kb.juniper.net/JSA11105

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5