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cve[email protected]CVE-2020-1666
HistoryOct 16, 2020 - 9:15 p.m.

CVE-2020-1666

2020-10-1621:15:12
CWE-613
CWE-284
web.nvd.nist.gov
17
cve-2020-1666
juniper networks
junos os evolved
log-out-on-disconnect
cli session
physical access
administrative privileges

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

6.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.4%

The system console configuration option ‘log-out-on-disconnect’ In Juniper Networks Junos OS Evolved fails to log out an active CLI session when the console cable is disconnected. This could allow a malicious attacker with physical access to the console the ability to resume a previous interactive session and possibly gain administrative privileges. This issue affects all Juniper Networks Junos OS Evolved versions after 18.4R1-EVO, prior to 20.2R1-EVO.

Affected configurations

NVD
Node
juniperjunos_os_evolvedMatch19.2r1
OR
juniperjunos_os_evolvedMatch19.2r2
OR
juniperjunos_os_evolvedMatch19.3r2
OR
juniperjunos_os_evolvedMatch19.4r1
OR
juniperjunos_os_evolvedMatch19.4r2
OR
juniperjunos_os_evolvedMatch19.4r2-s1
OR
juniperjunos_os_evolvedMatch20.1r1

CNA Affected

[
  {
    "product": "Junos OS Evolved",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "20.2R1-EVO",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "18.4R1-EVO",
        "status": "unaffected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

6.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.4%

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