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01 Record

CVE-2021-0295

Junos OS: QFX10K Series: Denial of Service (DoS) upon receipt of DVMRP packets received on multi-homing ESI in VXLAN.

MediumPUBLISHEDCNA: juniper
CNA base score6.1 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
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02 Description

Junos OS: QFX10K Series: Denial of Service (DoS) upon receipt of DVMRP packets received on multi-homing ESI in VXLAN.

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
1.09% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 65.4% of scored records. A rank, not a probability.
NVD base score
6.1 (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:C/C:N/I:L/A:L
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
2021-07-15 20:01Z5 YR AGO
Last updated
2024-09-17 03:59Z2 YR AGO
Reserved
2020-10-27
Assigning CNA
juniper
Record state
PUBLISHED
Severity
Medium (CVSS 6.1)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
Weaknesses
Data version
5.1
Document digest
a7b98aa651ea61689c5607f3d2bd7186f0047fab7554e018654ce9251002ff04

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS17.3 to < 17.3R3-S12, 17.4 to < 17.4R3-S5, 18.1 to < 18.1R3-S13, 18.2R1 to < 18.2*, 18.3 to < 18.3R3-S5, 18.4 to < 18.4R2-S9, 18.4R3-S8, 19.1 to < 19.1R3-S5, 19.2 to < 19.2R1-S7, 19.2R3-S2, 19.3 to < 19.3R3-S2, 19.4 to < 19.4R3-S3, 20.1 to < 20.1R2-S2, 20.1R3, 20.2 to < 20.2R3, 20.3 to < 20.3R3, 20.4 to < 20.4R2QFX10K Series

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: Junos OS 17.3R3-S12, 17.4R3-S5, 18.1R3-S13, 18.3R3-S5, 18.4R2-S9, 18.4R3-S8, 19.1R3-S5, 19.2R1-S7, 19.2R3-S2, 19.3R3-S2, 19.4R3-S3, 20.1R2-S2, 20.1R3, 20.2R3, 20.3R3, 20.4R2, 21.1R1, and all subsequent releases.