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01 Record

CVE-2020-1646

Junos OS and Junos OS Evolved: RPD crash while processing a specific BGP update information.

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

02 Description

Junos OS and Junos OS Evolved: RPD crash while processing a specific BGP update information.

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
1.01% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 62.8% 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
2020-07-17 18:40Z6 YR AGO
Last updated
2024-09-17 03:37Z2 YR AGO
Reserved
2019-11-04
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-159Improper Handling of Invalid Use of Special ElementsClass
Data version
5.1
Document digest
032108f0d2b60c08b8ecedf884899094083275078775d8278bf99f85fbf9da0f

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS17.3R3-S6, 17.4R2-S7, 18.1R3-S7—
Juniper NetworksJunos OS Evolved< 19.3R1-EVO, 19.2R2-EVO to < 19.2-EVO*—

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: Junos OS: 17.3R3-S7, 17.4R2-S8, 18.1R3-S8, and all subsequent releases. This fix has been proactively committed to other Junos OS releases that are not vulnerable to this issue. Junos OS Evolved: 19.3R1-EVO and all subsequent releases.