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01 Record

CVE-2020-1681

Junos OS Evolved: Receipt of a specifically malformed NDP packet could lead to Denial of Service

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 Evolved: Receipt of a specifically malformed NDP packet could lead to Denial of Service

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
0.50% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 43.1% 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
2020-10-16 20:31Z6 YR AGO
Last updated
2024-09-16 16:13Z2 YR AGO
Reserved
2019-11-04
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-755Improper Handling of Exceptional ConditionsClass
  • CWE-617Reachable AssertionBase
Data version
5.1
Document digest
4e262b34e6e99c5f4cb3cb6e3f72a2305a2d613ed88635f15a590a89d41a3c21

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS Evolvedall to < 20.1R2-EVO—

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: Junos OS Evolved 20.1R2-EVO, 20.2R1-EVO, and all subsequent releases.