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01 Record

CVE-2022-22170

Junos OS: Specific packets over VXLAN cause FPC memory leak and ultimately reset

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: Specific packets over VXLAN cause FPC memory leak and ultimately reset

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
0.93% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 60.2% 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
2022-01-19 00:21Z4 YR AGO
Last updated
2024-09-17 04:23Z2 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-772Missing Release of Resource after Effective LifetimeBase
Data version
5.1
Document digest
029694330242135f217406565292ad3791e7a7eb51f9125743134be15ebd59fb

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS19.4 to < 19.4R2-S6, 19.4R3-S6, 20.1 to < 20.1R3-S2, 20.2 to < 20.2R3-S3, 20.3 to < 20.3R3-S1, 20.4 to < 20.4R3, 21.1 to < 21.1R3, 21.2 to < 21.2R2—

06 References

07 Remediation

The following Junos OS software releases have been updated to resolve this specific issue: 19.4R2-S6, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases.