01 Record

CVE-2022-22174

Junos OS: QFX5000 Series, EX4600: Device may run out of memory, causing traffic loss, upon receipt of specific IPv6 packets

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

View raw JSON

02 Description

Junos OS: QFX5000 Series, EX4600: Device may run out of memory, causing traffic loss, upon receipt of specific IPv6 packets

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

2024-09-16 20:32Z2 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
CWE-755Improper Handling of Exceptional ConditionsClass

Data version

5.1

Document digest

29133c2ddc6417bfcefad0a5998fc9757d2bca6cb4f4486e3069202d4e4d6baf

05 Affected products

VendorProductVersionsPlatforms

Juniper NetworksJunos OS18.3 to < 18.3R3-S6, 18.4 to < 18.4R2-S9, 18.4R3-S9, 19.1 to < 19.1R2-S3, 19.1R3-S7, 19.2 to < 19.2R1-S8, 19.2R3-S3, 19.3 to < 19.3R2-S7, 19.3R3-S4, 19.4 to < 19.4R2-S5, 19.4R3-S6, 20.1 to < 20.1R3-S1, 20.2 to < 20.2R3-S2, 20.3 to < 20.3R3-S1, 20.4 to < 20.4R3, 21.1 to < 21.1R2-S1, 21.1R3, 21.2 to < 21.2R1-S1, 21.2R2QFX5000 Series, EX4600

06 References

kb.juniper.nethttps://kb.juniper.net/JSA11280x_refsource_CONFIRM

07 Remediation

The following software releases have been updated to resolve this specific issue: Junos OS 18.3R3-S6, 18.4R2-S9, 18.4R3-S9, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S3, 19.3R2-S7, 19.3R3-S4, 19.4R2-S5, 19.4R3-S6, 20.1R3-S1, 20.2R3-S2, 20.3R3-S1, 20.4R3, 21.1R2-S1, 21.1R3, 21.2R1-S1, 21.2R2, 21.3R1, 21.4R1, and all subsequent releases.