What is the CVSS score of EUVD-2025-21143?

EUVD-2025-21143 has a CVSS 3.1 base score of 5.1 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L. EPSS exploitation probability: 0.0%.

Which versions of Junos are affected by EUVD-2025-21143?

CVE-2025-52989 presents moderate security risk rated CVSS 5.1. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate EUVD-2025-21143?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Junos EUVD-2025-21143

| CVE-2025-52989 MEDIUM

Improper Neutralization of Delimiters (CWE-140)

2025-07-11 sirt@juniper.net

Information Disclosure Juniper Junos Junos Os Evolved

5.1

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

Low

Lifecycle Timeline

Patch available

Apr 16, 2026 - 05:29 EUVD

24.4R2-EVO,23.4R2-S5-EVO,23.2R2-S4

EUVD ID Assigned

Mar 16, 2026 - 08:18 euvd

EUVD-2025-21143

Analysis Generated

Mar 16, 2026 - 08:18 vuln.today

CVE Published

Jul 11, 2025 - 16:15 nvd

MEDIUM 5.1

DescriptionNVD

An Improper Neutralization of Delimiters vulnerability in the UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, authenticated attacker with high privileges to modify the system configuration.

A user with limited configuration and commit permissions, using a specifically crafted annotate configuration command, can change any part of the device configuration.

This issue affects:

Junos OS:

all versions before 22.2R3-S7,
22.4 versions before 22.4R3-S7,
23.2 versions before 23.2R2-S4,
23.4 versions before 23.4R2-S4,
24.2 versions before 24.2R2-S1,
24.4 versions before 24.4R1-S2, 24.4R2;

Junos OS Evolved:

all versions before 22.4R3-S7-EVO,
23.2-EVO versions before 23.2R2-S4-EVO,
23.4-EVO versions before 23.4R2-S5-EVO,
24.2-EVO versions before 24.2R2-S1-EVO
24.4-EVO versions before 24.4R2-EVO.

AnalysisAI

A security vulnerability in the UI of Juniper Networks Junos OS and Junos OS Evolved allows a local (CVSS 5.1). Remediation should follow standard vulnerability management procedures.

Technical ContextAI

Vulnerability type not specified by vendor. Affects the UI of Juniper Networks Junos OS and Junos OS Evolved allows a local.

RemediationAI

Monitor vendor channels for patch availability.

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EUVD-2025-21143 vulnerability details – vuln.today

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