synced 2 MIN AGO
01 Record

CVE-2022-22209

Junos OS: RIB and PFEs can get out of sync due to a memory leak caused by interface flaps or route churn

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: RIB and PFEs can get out of sync due to a memory leak caused by interface flaps or route churn

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
1.02% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 63.3% 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
2022-07-20 14:14Z4 YR AGO
Last updated
2024-09-17 00:10Z2 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-401Missing Release of Memory after Effective LifetimeVariant
Data version
5.1
Document digest
b5a73ea833ed847de01435cdfc0006cdd386af226a03f10b4c2e73d587e903c2

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS21.2 to < 21.2R3, 21.3 to < 21.3R2-S1, 21.3R3, 21.4 to < 21.4R1-S2, 21.4R2—

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: 21.2R3, 21.3R2-S1, 21.3R3, 21.4R1-S2, 21.4R2, 22.1R1, and all subsequent releases. Note: Only those releases listed in the PROBLEM section above are affected. This fix has also been proactively committed into other releases that are not vulnerable to this issue.