CVE-2022-22195

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductJuniper Junos Os Evolved
PublishedApr 14, 2022
First seenApr 14, 2022
Weakness typeCWE-911CWE-911

How to fix

Update
  • juniper junos_os_evolved20.4 or later

Affected products

ProductAffected versionsFixed in
juniper junos_os_evolvedv < 20.4, 20.4, 21.1, 21.2, 21.320.4

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