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01 Record

CVE-2022-22196

Junos OS and Junos OS Evolved: The rpd CPU spikes to 100% after a malformed ISIS TLV has been received

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

02 Description

Junos OS and Junos OS Evolved: The rpd CPU spikes to 100% after a malformed ISIS TLV has been received

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
0.38% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 32.3% 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
2022-04-14 15:50Z4 YR AGO
Last updated
2024-09-16 20:59Z2 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-754Improper Check for Unusual or Exceptional ConditionsClass
Data version
5.1
Document digest
b95bb12243db3f50676087aff80eab098c49e1aadca8a60035c6d5adde874160

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS19.3 to < 19.3R3-S4, 19.4 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—
Juniper NetworksJunos OS Evolved< 20.4R3-S3-EVO, 21.2 to < 21.2R2-EVO—

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: Junos OS: 19.3R3-S4, 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; Junos OS Evolved: 20.4R3-S3-EVO, 21.2R2-EVO, 21.3R1-EVO, and all subsequent releases.