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🛡️ CVE-2024-39512 — junos-os-evolved

🟡 CVSS 6.6 — Medium ✅ No Known Exploit CWE-1263 NVD
6.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached with physical access to the device, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  • Attack vector: Physical — the attacker has to touch the device.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Required — someone has to click, open or visit something.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2024-39512 is classified as CWE-1263: Improper Physical Access Control. The product is designed with access restricted to certain information, but it does not sufficiently protect against an unauthorized actor with physical access to these areas.

Affected software

CVE-2024-39512 is recorded against 1 package.

  • junos-os-evolved

Timeline and source

Published on 10 July 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

supportportal.juniper.net
supportportal.juniper.net

Other advisories for this package

junos-os-evolved has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-1263: Improper Physical Access Control) in other software:

Details

Severity MEDIUM
CVSS Score 6.6
CVSS Vector CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-1263
Public Exploit ✅ No
Source NVD
Published 2024-07-10
Updated 2026-08-20
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
junos-os-evolved — —

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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