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

CVE-2022-22195

CVE-2022-22195

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.

Affected products

19
  • Juniper Networks/OS Evolved19 versions
    cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*+ 18 more
    • cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*range: <20.4
    • 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:*:*:*:*:*:*
    • 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:21.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos_os_evolved:21.2:r1:*:*:*:*:*:*
    • 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:*:*:*:*:*:*
    • (no CPE)range: <20.4R3-S1-EVO, <21.1R3-EVO, <21.2R3-EVO, <21.3R2-EVO
    • (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

0

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