CVE-2022-22195

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 14-04-2022 06:15

Last modified: - 21-04-2022 11:55

Total changes: - 2

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

High

Availability

None

Confidentiality

None

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

7.5

Base score

3.9

3.6

Exploitability score

Impact score

Verification logic

vendor=juniper AND product=junos_os_evolved AND versionEndExcluding=20.4

vendor=juniper AND product=junos_os_evolved AND version=20.4 AND update=r1

vendor=juniper AND product=junos_os_evolved AND version=20.4 AND update=r1-s1

vendor=juniper AND product=junos_os_evolved AND version=20.4 AND update=r1-s2

vendor=juniper AND product=junos_os_evolved AND version=20.4 AND update=r2

vendor=juniper AND product=junos_os_evolved AND version=20.4 AND update=r2-s1

vendor=juniper AND product=junos_os_evolved AND version=20.4 AND update=r2-s2

vendor=juniper AND product=junos_os_evolved AND version=20.4 AND update=r2-s3

vendor=juniper AND product=junos_os_evolved AND version=20.4 AND update=r3

vendor=juniper AND product=junos_os_evolved AND version=21.1 AND update=r1

vendor=juniper AND product=junos_os_evolved AND version=21.1 AND update=r1-s1

vendor=juniper AND product=junos_os_evolved AND version=21.1 AND update=r2

vendor=juniper AND product=junos_os_evolved AND version=21.2 AND update=r1

vendor=juniper AND product=junos_os_evolved AND version=21.2 AND update=r1-s1

vendor=juniper AND product=junos_os_evolved AND version=21.2 AND update=r2

vendor=juniper AND product=junos_os_evolved AND version=21.3 AND update=r1

vendor=juniper AND product=junos_os_evolved AND version=21.3 AND update=r1-s1

Reference

https://kb.juniper.net/JSA69508

Keywords

CVE-2022-22195

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2022-22195

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures