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Junos Os Evolved CVE-2024-39544

MEDIUM
Incorrect Default Permissions (CWE-276)
2024-10-11 sirt@juniper.net
Privilege Escalation Juniper Junos Os Evolved
5.1
CVSS 4.0 · Vendor: juniper
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Severity by source

Vendor (juniper) PRIMARY
5.1 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/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

Primary rating from Vendor (juniper) · only source for this CVE.

CVSS VectorVendor: juniper

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/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
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
P
Scope
X

Lifecycle Timeline

1
CVE Published
Oct 11, 2024 - 16:15 cve.org
MEDIUM 5.1

DescriptionCVE.org

An Incorrect Default Permissions vulnerability in the command line interface (CLI) of Juniper Networks Junos OS Evolved allows a low privileged local attacker to view NETCONF traceoptions files, representing an exposure of sensitive information.

On all Junos OS Evolved platforms, when NETCONF traceoptions are configured, NETCONF traceoptions files get created with an incorrect group permission, which allows

a low-privileged user can access sensitive information compromising the confidentiality of the system.

Junos OS Evolved:

  • All versions before 20.4R3-S9-EVO,
  • 21.2-EVO before 21.2R3-S7-EVO,
  • 21.4-EVO before 21.4R3-S5-EVO,
  • 22.1-EVO before 22.1R3-S5-EVO,
  • 22.2-EVO before 22.2R3-S3-EVO,
  • 22.3-EVO before 22.3R3-EVO, 22.3R3-S2-EVO,
  • 22.4-EVO before 22.4R3-EVO,
  • 23.2-EVO before 23.2R1-S2-EVO, 23.2R2-EVO.

AnalysisAI

An Incorrect Default Permissions vulnerability in the command line interface (CLI) of Juniper Networks Junos OS Evolved allows a low privileged local attacker to view NETCONF traceoptions files,. Rated medium severity (CVSS 5.1), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Default Permissions (CWE-276), which allows attackers to access resources due to overly permissive default settings. An Incorrect Default Permissions vulnerability in the command line interface (CLI) of Juniper Networks Junos OS Evolved allows a low privileged local attacker to view NETCONF traceoptions files, representing an exposure of sensitive information. On all Junos OS Evolved platforms, when NETCONF traceoptions are configured, NETCONF traceoptions files get created with an incorrect group permission, which allows a low-privileged user can access sensitive information compromising the confidentiality of the system. Junos OS Evolved: * All versions before 20.4R3-S9-EVO, * 21.2-EVO before 21.2R3-S7-EVO, * 21.4-EVO before 21.4R3-S5-EVO, * 22.1-EVO before 22.1R3-S5-EVO, * 22.2-EVO before 22.2R3-S3-EVO, * 22.3-EVO before 22.3R3-EVO, 22.3R3-S2-EVO, * 22.4-EVO before 22.4R3-EVO, * 23.2-EVO before 23.2R1-S2-EVO, 23.2R2-EVO. Affected products include: Juniper Junos Os Evolved. Version information: before 20.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set restrictive default permissions, follow principle of least privilege, review defaults during deployment.

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Same weakness CWE-276 – Incorrect Default Permissions

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CVE-2017-11610 HIGH POC
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CVE-2025-60262 CRITICAL POC
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Same technique Privilege Escalation

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CVE-2014-9583 CRITICAL POC
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CVE-2012-0297 CRITICAL POC
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CVE-2024-39544 vulnerability details – vuln.today
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