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High severity7.5NVD Advisory· Published Apr 14, 2022· Updated Jun 17, 2026

CVE-2022-22183

CVE-2022-22183

Description

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.

Affected products

25
  • Juniper Networks/OS Evolved25 versions
    cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s1:*:*:*:*:*:*+ 24 more
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:20.4:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.1:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.1:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.1:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.1:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.2:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.2:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.3:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.3:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: 20.4

Patches

Vulnerability mechanics

References

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