CVE-2022-22247

HIGH

Juniper Networks Junos OS Evolved <21.3R3-EVO-21.4 - DoS

Title source: llm
STIX 2.1

Description

An Improper Input Validation vulnerability in ingress TCP segment processing of Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker to send a crafted TCP segment to the device, triggering a kernel panic, leading to a Denial of Service (DoS) condition. Continued receipt and processing of this TCP segment could create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS Evolved: 21.3 versions prior to 21.3R3-EVO; 21.4 versions prior to 21.4R2-EVO; 22.1 versions prior to 22.1R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.3R1-EVO.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0016
EPSS Percentile 36.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (3)
juniper/junos_os_evolved 21.3 (4 CPE variants)
juniper/junos_os_evolved 21.4 (3 CPE variants)
juniper/junos_os_evolved 22.1 r1
Published Oct 18, 2022
Tracked Since Feb 18, 2026