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01 Record

CVE-2020-1666

Junos OS Evolved: 'console log-out-on-disconnect' fails to terminate session on console cable disconnection

MediumPUBLISHEDCNA: juniper
CNA base score6.6 CVSS v3.xCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

02 Description

Junos OS Evolved: 'console log-out-on-disconnect' fails to terminate session on console cable disconnection

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
0.32% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 25.6% of scored records. A rank, not a probability.
NVD base score
6.6 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/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 23:41Z2 YR AGO
Reserved
2019-11-04
Assigning CNA
juniper
Record state
PUBLISHED
Severity
Medium (CVSS 6.6)
CNA CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-284Improper Access ControlPillar
  • CWE-613Insufficient Session ExpirationBase
Data version
5.1
Document digest
c6b30d5fc61aafdd8ec3897050c0109623d27a5768037aa55279dc49b76f404e

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS Evolved< 20.2R1-EVO—

06 References

07 Remediation

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