Juniper Junos OS Evolved prior 23.2R2-EVO Command Line Interface default permission

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Juniper Junos OS Evolved. This impacts an unknown function of the component Command Line Interface. The manipulation results in default permission. This vulnerability is known as CVE-2024-39544. Attacking locally is a requirement. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Juniper Junos OS Evolved. Affected is an unknown part of the component Command Line Interface. The manipulation with an unknown input leads to a default permission vulnerability. CWE is classifying the issue as CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. This is going to have an impact on confidentiality. CVE summarizes:

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.

The advisory is shared for download at supportportal.juniper.net. This vulnerability is traded as CVE-2024-39544 since 06/25/2024. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1222.

The vulnerability scanner Nessus provides a plugin with the ID 210491 (Juniper Junos OS Vulnerability (JSA88106)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 20.4R3-S9-EVO, 21.2R3-S7-EVO, 21.4R3-S5-EVO, 22.1R3-S5-EVO, 22.2R3-S3-EVO, 22.3R3-S2-EVO, 22.4R3-EVO, 23.2R1-S2-EVO or 23.2R2-EVO eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (210491). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.0
CNA Vector (juniper): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 210491
Nessus Name: Juniper Junos OS Vulnerability (JSA88106)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Junos OS Evolved 20.4R3-S9-EVO/21.2R3-S7-EVO/21.4R3-S5-EVO/22.1R3-S5-EVO/22.2R3-S3-EVO/22.3R3-S2-EVO/22.4R3-EVO/23.2R1-S2-EVO/23.2R2-EVO

Timelineinfo

06/25/2024 🔍
10/11/2024 +108 days 🔍
10/11/2024 +0 days 🔍
01/24/2026 +470 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA88106
Status: Confirmed

CVE: CVE-2024-39544 (🔍)
GCVE (CVE): GCVE-0-2024-39544
GCVE (VulDB): GCVE-100-280080

Entryinfo

Created: 10/11/2024 18:04
Updated: 01/24/2026 02:07
Changes: 10/11/2024 18:04 (77), 11/08/2024 01:13 (2), 01/24/2026 02:07 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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