CVE-2022-22197

High

Description

An Operation on a Resource after Expiration or Release vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker with an established BGP session to cause a Denial of Service (DoS). This issue occurs when proxy-generate route-target filtering is enabled, and certain proxy-route add and delete events are happening. This issue affects: Juniper Networks Junos OS All versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S13, 17.4R3-S4; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R1-S8, 18.4R2-S8, 18.4R3-S6; 19.1 versions prior to 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S1; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2; 20.3 versions prior to 20.3R1-S2, 20.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.1R3-EVO; 20.2 versions prior to 20.2R3-EVO; 20.3 versions prior to 20.3R2-EVO.

SeverityHigh
CVSS7.5
Exploit probability—
ProductJuniper Junos Os Evolved
PublishedApr 14, 2022
First seenApr 14, 2022
Weakness typeCWE-672CWE-672

How to fix

Update
  • juniper junos_os_evolved20.1 or later
  • juniper junos17.3 or later

Affected products

ProductAffected versionsFixed in
juniper junos_os_evolvedv < 20.1, 20.1, 20.2, 20.320.1
juniper junosv < 17.3, 17.3, 17.4, 18.3, 18.4, 19.1, 19.2, 19.3, 19.4, 20.1, 20.2, 20.317.3

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