01 Record

CVE-2021-0215

Junos OS: EX Series, QFX Series, SRX Branch Series, MX Series: Memory leak in packet forwarding engine due to 802.1X authenticator port interface 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

View raw JSON

02 Description

Junos OS: EX Series, QFX Series, SRX Branch Series, MX Series: Memory leak in packet forwarding engine due to 802.1X authenticator port interface 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: 0.80% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 56.5% 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

2021-01-15 17:35Z5 YR AGO

Last updated

2024-09-16 21:58Z2 YR AGO

Reserved

2020-10-27

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-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.1

Document digest

eec860e37f9f4766cfa6a00f42c589ca3688dfe6e8d7a1dd522d72a8f76eaa77

05 Affected products

VendorProductVersionsPlatforms

Juniper NetworksJunos OS14.1X53 to < 14.1X53-D54, 15.1X49 to < 15.1X49-D240, 15.1X53 to < 15.1X53-D593, 16.1 to < 16.1R7-S8, 17.2 to < 17.2R3-S4, 17.3 to < 17.3R3-S8, 17.4 to < 17.4R2-S11, 17.4R3-S2, 18.1 to < 18.1R3-S10, 18.2 to < 18.2R2-S7, 18.2R3-S3, 18.3 to < 18.3R2-S4, 18.3R3-S2, 18.4 to < 18.4R1-S7, 18.4R2-S4, 18.4R3-S2, 19.1 to < 19.1R1-S5, 19.1R2-S2, 19.1R3, 19.2 to < 19.2R1-S5, 19.2R2, 19.3 to < 19.3R2-S3, 19.3R3, 19.4 to < 19.4R1-S2, 19.4R2EX Series, SRX Branch Series, SRX Branch Series, EX Series, QFX Series, SRX Branch Series, EX Series, QFX Series, MX Series

06 References

kb.juniper.nethttps://kb.juniper.net/JSA11105x_refsource_CONFIRM

07 Remediation

The following software releases have been updated to resolve this specific issue: 14.1X53-D54, 15.1X49-D240, 15.1X53-D593, 16.1R7-S8, 17.2R3-S4, 17.3R3-S8, 17.4R2-S11, 17.4R3-S2, 18.1R3-S10, 18.2R2-S7, 18.2R3-S3, 18.3R2-S4, 18.3R3-S2, 18.4R1-S7, 18.4R2-S4, 18.4R3-S2, 19.1R1-S5, 19.1R2-S2, 19.1R3, 19.2R1-S5, 19.2R2, 19.3R2-S3, 19.3R3, 19.4R1-S2, 19.4R2, 20.1R1, and all subsequent releases.