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01 Record

CVE-2022-22195

Junos OS Evolved: Specific packets reaching the RE lead to a counter overflow and eventually a crash

HighPUBLISHEDCNA: juniper
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

Junos OS Evolved: Specific packets reaching the RE lead to a counter overflow and eventually a crash

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.05% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 64.3% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-04-14 15:50Z4 YR AGO
Last updated
2024-09-16 23:11Z2 YR AGO
Reserved
2021-12-21
Assigning CNA
juniper
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-911Improper Update of Reference CountBase
Data version
5.1
Document digest
67ca62a50bda3ff8eb4a28c85fc47c0f3f5c363a2421a7ce9f32fbb0cf544c9f

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS Evolved< 20.4R3-S1-EVO, 21.1 to < 21.1R3-EVO, 21.2 to < 21.2R3-EVO, 21.3 to < 21.3R2-EVO—
Juniper NetworksJunos OSNot specified—

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: 20.4R3-S1-EVO, 21.1R3-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and all subsequent releases.