CVE-2022-22195

HIGH

Juniper Junos OS Evolved DoS via Kernel Reference Count Overflow

Title source: llm
STIX 2.1

Description

An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://kb.juniper.net/JSA69508

Scores

CVSS v3 7.5
EPSS 0.0063
EPSS Percentile 70.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-911
Status published
Products (5)
juniper/junos_os_evolved 20.4 r1 (8 CPE variants)
juniper/junos_os_evolved 21.1 r1 (3 CPE variants)
juniper/junos_os_evolved 21.2 r1 (3 CPE variants)
juniper/junos_os_evolved 21.3 r1 (2 CPE variants)
juniper/junos_os_evolved < 20.4
Published Apr 14, 2022
Tracked Since Feb 18, 2026