CVE-2022-22195

Published: Apr 14, 2022Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (17)

Products: Juniper: Junos Os Evolved

Juniper

1 product

Junos Os Evolved

Configuration A

17 vulnerable

Vulnerable Software	Affected Versions
Juniper Junos Os Evolved	Before 20.4
Juniper Junos Os Evolved	Version 20.4 r1-s1
Juniper Junos Os Evolved	Version 20.4 r1-s2
Juniper Junos Os Evolved	Version 20.4 r1
Juniper Junos Os Evolved	Version 20.4 r2-s1
Juniper Junos Os Evolved	Version 20.4 r2-s2
Juniper Junos Os Evolved	Version 20.4 r2-s3
Juniper Junos Os Evolved	Version 20.4 r2
Juniper Junos Os Evolved	Version 20.4 r3
Juniper Junos Os Evolved	Version 21.1 r1-s1
Juniper Junos Os Evolved	Version 21.1 r1
Juniper Junos Os Evolved	Version 21.1 r2
Juniper Junos Os Evolved	Version 21.2 r1-s1
Juniper Junos Os Evolved	Version 21.2 r1
Juniper Junos Os Evolved	Version 21.2 r2
Juniper Junos Os Evolved	Version 21.3 r1-s1
Juniper Junos Os Evolved	Version 21.3 r1

Related CWEs

CWE-911

Improper Update of Reference Count

The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count.

References (2)

https://kb.juniper.net/JSA69508

Source: sirt@juniper.net

Vendor Advisory

https://kb.juniper.net/JSA69508

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.