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01 Record

CVE-2022-22155

Junos OS: ACX5448: FPC memory leak due to IPv6 neighbor flaps

MediumPUBLISHEDCNA: juniper
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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02 Description

Junos OS: ACX5448: FPC memory leak due to IPv6 neighbor flaps

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
0.36% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 30.4% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/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 00:20Z4 YR AGO
Last updated
2024-09-17 02:21Z2 YR AGO
Reserved
2021-12-21
Assigning CNA
juniper
Record state
PUBLISHED
Severity
Medium (CVSS 6.5)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-400Uncontrolled Resource ConsumptionClass
  • CWE-772Missing Release of Resource after Effective LifetimeBase
  • CWE-401Missing Release of Memory after Effective LifetimeVariant
Data version
5.1
Document digest
5b860beae7ee7252b0bbfcc0ad0b6e29bbf73d195821a3e7328b2c1d85f36624

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS18.4 to < 18.4R3-S10, 19.1 to < 19.1R3-S5, 19.2 to < 19.2R1-S8, 19.2R3-S2, 19.3 to < 19.3R2-S6, 19.3R3-S2, 19.4 to < 19.4R1-S3, 19.4R2-S2, 19.4R3, 20.1 to < 20.1R2, 20.2 to < 20.2R1-S1, 20.2R2ACX5448

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: Junos OS 18.4R3-S10, 19.1R3-S5, 19.2R1-S8, 19.2R3-S2, 19.3R2-S6, 19.3R3-S2, 19.4R1-S3, 19.4R2-S2, 19.4R3, 20.1R2, 20.2R1-S1, 20.2R2, 20.3R1, and all subsequent releases.