What is the CVSS score of CVE-2025-52989?

CVE-2025-52989 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%.

How to fix or mitigate CVE-2025-52989?

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

Junos CVE-2025-52989

Q: Which versions of Junos are affected by CVE-2025-52989?

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

EUVD-2025-21143 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 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-140 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Delimiter neutralization
Impact	CVSS 5.1. EPSS 0.0%. No patch confirmed.
Exploit ScenarioDerived	An attacker could exploit this vulnerability in the UI of Juniper Networks Junos OS and Junos OS Evolved allows a local to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

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.

Earlier versions of this analysis (1)

v1 Mar 16, 2026 - 08:18 CVSS 5.1

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 conf

RemediationAI

Monitor vendor channels for patch availability.

Affected VersionsENISA

Junos OS Evolved 24.4-EVO <24.4R2-EVO

Junos OS Evolved 23.4-EVO <23.4R2-S5-EVO

Junos OS 23.2 <23.2R2-S4

Junos OS Evolved 0 <22.4R3-S7-EVO

Junos OS 23.4 <23.4R2-S4

Junos OS 0 <22.2R3-S7

Junos OS 22.4 <22.4R3-S7

Junos OS Evolved 24.2-EVO <24.2R2-S1-EVO

Junos OS Evolved 23.2-EVO <23.2R2-S4-EVO

Junos OS 24.4 <24.4R1-S2, 24.4R2

Junos OS 24.2 <24.2R2-S1

Affected Packages

euvd junos_os fix: 22.2R3-S7, 22.4R3-S7, 23.2R2-S4, 23.4R2-S4, 24.2R2-S1

euvd junos_os_24_4_24_4r1_s2 no fix

euvd junos_os_evolved fix: 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R2-EVO

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 3 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

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

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.1 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

CVE Published

Jul 11, 2025 - 16:15 nvd

MEDIUM 5.1

DescriptionCVE.org

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.

Executive ViewAI

Why It Matters

CVE-2025-52989 presents moderate security risk rated CVSS 5.1. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 96% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.0%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +26

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.