CVE-2024-39512
Junos OS Evolved: User is not logged out when the console cable is disconnected
An Improper Physical Access Control vulnerability in the console port control of Juniper Networks Junos OS Evolved allows an attacker with physical access to the device to get access to a user account.
When the console cable is disconnected, the logged in user is not logged out. This allows a malicious attacker with physical access to the console to resume a previous session and possibly gain administrative privileges.
This issue affects Junos OS Evolved:
- from 23.2R2-EVO before 23.2R2-S1-EVO,
- from 23.4R1-EVO before 23.4R2-EVO.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Junos OS Evolved: User is not logged out when the console cable is disconnected
An Improper Physical Access Control vulnerability in the console port control of Juniper Networks Junos OS Evolved allows an attacker with physical access to the device to get access to a user account.
When the console cable is disconnected, the logged in user is not logged out. This allows a malicious attacker with physical access to the console to resume a previous session and possibly gain administrative privileges.
This issue affects Junos OS Evolved:
- from 23.2R2-EVO before 23.2R2-S1-EVO,
- from 23.4R1-EVO before 23.4R2-EVO.
- Record
CVE-2024-39512- CVSS 4.0
- 7.0 High
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-1263
- Updated
- 2026-11-02
EUVDEUVD-2024-38038
An Improper Physical Access Control vulnerability in the console port control of Juniper Networks Junos OS Evolved allows an attacker with physical access to the device to get access to a user account.
When the console cable is disconnected, the logged in user is not logged out. This allows a malicious attacker with physical access to the console to resume a previous session and possibly gain administrative privileges.
This issue affects Junos OS Evolved:
- from 23.2R2-EVO before 23.2R2-S1-EVO,
- from 23.4R1-EVO before 23.4R2-EVO.
- Record
EUVD-2024-38038- CVSS 4.0
- 7.0 High
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7x3w-3vjx-fhqv
An Improper Physical Access Control vulnerability in the console port control of Juniper Networks...
An Improper Physical Access Control vulnerability in the console port control of Juniper Networks Junos OS Evolved allows an attacker with physical access to the device to get access to a user account.
When the console cable is disconnected, the logged in user is not logged out. This allows a malicious attacker with physical access to the console to resume a previous session and possibly gain administrative privileges.
This issue affects Junos OS Evolved:
- from 23.2R2-EVO before 23.2R2-S1-EVO,
- from 23.4R1-EVO before 23.4R2-EVO.
- Record
GHSA-7x3w-3vjx-fhqv- CVSS 4.0
- 7.0 High
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-1263
- Updated
- 2026-11-02
NVD
An Improper Physical Access Control vulnerability in the console port control of Juniper Networks Junos OS Evolved allows an attacker with physical access to the device to get access to a user account.
When the console cable is disconnected, the logged in user is not logged out. This allows a malicious attacker with physical access to the console to resume a previous session and possibly gain administrative privileges.
This issue affects Junos OS Evolved:
- from 23.2R2-EVO before 23.2R2-S1-EVO,
- from 23.4R1-EVO before 23.4R2-EVO.
- Record
CVE-2024-39512- CVSS 4.0
- 7.0 High
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-1263
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-39512 is a high vulnerability (CVSS 7.0) in Juniper Junos Os Evolved, published July 10, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.