First published: Thu Apr 14 2022(Updated: )
An Improper Access Control vulnerability in Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker who is able to connect to a specific open IPv4 port, which in affected releases should otherwise be unreachable, to cause the CPU to consume all resources as more traffic is sent to the port to create a Denial of Service (DoS) condition. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS Evolved 20.4 versions prior to 20.4R3-S2-EVO; 21.1 versions prior to 21.1R3-S1-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO; 21.4 versions prior to 21.4R2-EVO. This issue does not affect Junos OS.
Credit: sirt@juniper.net
Affected Software | Affected Version | How to fix |
---|---|---|
Juniper Junos Os Evolved | =20.4-r1 | |
Juniper Junos Os Evolved | =20.4-r1-s1 | |
Juniper Junos Os Evolved | =20.4-r1-s2 | |
Juniper Junos Os Evolved | =20.4-r2 | |
Juniper Junos Os Evolved | =20.4-r2-s1 | |
Juniper Junos Os Evolved | =20.4-r2-s2 | |
Juniper Junos Os Evolved | =20.4-r2-s3 | |
Juniper Junos Os Evolved | =20.4-r3 | |
Juniper Junos Os Evolved | =20.4-r3-s1 | |
Juniper Junos Os Evolved | =21.1-r1 | |
Juniper Junos Os Evolved | =21.1-r1-s1 | |
Juniper Junos Os Evolved | =21.1-r2 | |
Juniper Junos Os Evolved | =21.1-r3 | |
Juniper Junos Os Evolved | =21.2-r1 | |
Juniper Junos Os Evolved | =21.2-r1-s1 | |
Juniper Junos Os Evolved | =21.2-r1-s2 | |
Juniper Junos Os Evolved | =21.2-r2 | |
Juniper Junos Os Evolved | =21.2-r2-s1 | |
Juniper Junos Os Evolved | =21.2-r2-s2 | |
Juniper Junos Os Evolved | =21.3-r1 | |
Juniper Junos Os Evolved | =21.3-r1-s1 | |
Juniper Junos Os Evolved | =21.4-r1 | |
Juniper Junos Os Evolved | =21.4-r1-s1 |
The following software releases have been updated to resolve this specific issue: 20.4R3-S2-EVO, 21.1R3-S1-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R2-EVO, 22.1R1-EVO, and all subsequent releases.
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