PT-2022-1469 · Juniper Networks · Junos

Published

2022-01-12

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Updated

2022-01-26

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CVE-2022-22156

CVSS v3.1

7.4

High

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 18.4R2-S9, 18.4R3-S9 Juniper Networks Junos OS 19.1 versions prior to 19.1R2-S3, 19.1R3-S7 Juniper Networks Junos OS 19.2 versions prior to 19.2R1-S7, 19.2R3-S3 Juniper Networks Junos OS 19.3 versions prior to 19.3R3-S4 Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S7 Juniper Networks Junos OS 20.1 versions prior to 20.1R2-S2, 20.1R3 Juniper Networks Junos OS 20.2 versions prior to 20.2R3 Juniper Networks Junos OS 20.3 versions prior to 20.3R2-S1, 20.3R3 Juniper Networks Junos OS 20.4 versions prior to 20.4R2 Juniper Networks Junos OS 21.1 versions prior to 21.1R1-S1, 21.1R2
Description The issue is related to an Improper Certificate Validation weakness in the Juniper Networks Junos OS, allowing an attacker to perform Person-in-the-Middle (PitM) attacks when a system script is fetched from a remote source at a specified HTTPS URL. This may compromise the integrity and confidentiality of the device. An administrator can execute a command via the CLI to refresh a script from a remote location, which is affected by this issue. The command is: request system scripts refresh-from (commit | event | extension-service | op | snmp) file filename url <https-url>.
Recommendations For Juniper Networks Junos OS versions prior to 18.4R2-S9, 18.4R3-S9, update to version 18.4R2-S9 or 18.4R3-S9 or later. For Juniper Networks Junos OS 19.1 versions prior to 19.1R2-S3, 19.1R3-S7, update to version 19.1R2-S3 or 19.1R3-S7 or later. For Juniper Networks Junos OS 19.2 versions prior to 19.2R1-S7, 19.2R3-S3, update to version 19.2R1-S7 or 19.2R3-S3 or later. For Juniper Networks Junos OS 19.3 versions prior to 19.3R3-S4, update to version 19.3R3-S4 or later. For Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S7, update to version 19.4R3-S7 or later. For Juniper Networks Junos OS 20.1 versions prior to 20.1R2-S2, 20.1R3, update to version 20.1R2-S2 or 20.1R3 or later. For Juniper Networks Junos OS 20.2 versions prior to 20.2R3, update to version 20.2R3 or later. For Juniper Networks Junos OS 20.3 versions prior to 20.3R2-S1, 20.3R3, update to version 20.3R2-S1 or 20.3R3 or later. For Juniper Networks Junos OS 20.4 versions prior to 20.4R2, update to version 20.4R2 or later. For Juniper Networks Junos OS 21.1 versions prior to 21.1R1-S1, 21.1R2, update to version 21.1R1-S1 or 21.1R2 or later.

Exploit

Fix

Improperly Implemented Security Check for Standard

Improper Certificate Validation

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Weakness Enumeration

CWE-358CWE-300CWE-295

Related Identifiers

BDU:2022-00611
CVE-2022-22156

Affected Products

Junos