What is the CVSS score of CVE-2025-55146?

CVE-2025-55146 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.0%.

How to fix or mitigate CVE-2025-55146?

During next maintenance window: Identify affected systems running Ivanti Connect Secure and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Connect Secure CVE-2025-55146

MEDIUM

Unchecked Return Value (CWE-252)

2025-09-09 3c1d8aa1-5a33-4ea4-8992-aadd6440af75

Denial Of Service Ivanti Connect Secure Policy Secure Zero Trust Access Gateway Neurons For Secure Access

4.9

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-252 OWASP Top 10:2025 A10:2025 - Mishandling of Exceptional Conditions ASVS 5.0 V16 - Security Logging and Error Handling Return value checking
Impact	CVSS score of 4.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.97%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

Monitor Track and reassess. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 1.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

An unchecked return value in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-252. An unchecked return value in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote authenticated attacker with admin privileges to trigger a denial of service. Affected products include: Ivanti Connect Secure, Ivanti Policy Secure, Ivanti Zero Trust Access Gateway, Ivanti Neurons For Secure Access. Version information: before 22.7.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionCVE.org

An unchecked return value in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote authenticated attacker with admin privileges to trigger a denial of service.

Executive ViewAI

Why It Matters

Organizations using Ivanti Connect Secure should be aware of moderate risk from CVE-2025-55146 rated CVSS 4.9. 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

1.0%

Top 24% exploitable

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 1.0%

Patch available No

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

Open

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +24

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:-:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r1.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r1.2:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r1.3:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r1.4:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r1.5:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2.2:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2.3:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2.4:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2.5:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2.6:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2.7:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.7:r2.8:*:*:*:*:*:*

cpe:2.3:a:ivanti:policy_secure:*:*:*:*:*:*:*:*

cpe:2.3:a:ivanti:policy_secure:22.7:-:*:*:*:*:*:*

cpe:2.3:a:ivanti:policy_secure:22.7:r1:*:*:*:*:*:*

+ 11 more

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References

Advisories & patches

ADVISORY https://forums.ivanti.com/s/article/September-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-and-Neurons-for-Secure-Access-Multiple-CVEs?language=en_US

Search Externally

GitHub PoC

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