CVE-2022-22186

HIGH

Juniper Networks Junos OS <19.1R3-S8, <19.2 - Improper Initialization

Title source: llm
STIX 2.1

Description

Due to an Improper Initialization vulnerability in Juniper Networks Junos OS on EX4650 devices, packets received on the management interface (em0) but not destined to the device, may be improperly forwarded to an egress interface, instead of being discarded. Such traffic being sent by a client may appear genuine, but is non-standard in nature and should be considered as potentially malicious. This issue affects: Juniper Networks Junos OS on EX4650 Series: All versions prior to 19.1R3-S8; 19.2 versions prior to 19.2R3-S5; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3-S1; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2; 21.4 versions prior to 21.4R2; 22.1 versions prior to 22.1R1.

Scores

CVSS v3 7.2
EPSS 0.0039
EPSS Percentile 60.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Details

CWE
CWE-665
Status published
Products (3)
juniper/junos 19.1 (20 CPE variants)
juniper/junos 19.2 (16 CPE variants)
juniper/junos 19.3 (14 CPE variants)
Published Apr 14, 2022
Tracked Since Feb 18, 2026