What is the CVSS score of CVE-2025-55145?

CVE-2025-55145 has a CVSS 3.1 base score of 8.9 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L. EPSS exploitation probability: 0.4%.

Which versions of Neurons For Secure Access are affected by CVE-2025-55145?

Organizations using Ivanti Connect Secure face significant risk from CVE-2025-55145, a missing authorization vulnerability rated CVSS 8.9.

How to fix or mitigate CVE-2025-55145?

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

Neurons For Secure Access CVE-2025-55145

HIGH

Missing Authorization (CWE-862)

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

Authentication Bypass Ivanti Neurons For Secure Access Connect Secure Policy Secure Zero Trust Access Gateway

8.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.9 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:11 vuln.today

CVE Published

Sep 09, 2025 - 16:15 nvd

HIGH 8.9

DescriptionCVE.org

Missing authorization 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 to hijack existing HTML5 connections.

AnalysisAI

Missing authorization 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 high severity (CVSS 8.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Missing authorization 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 to hijack existing HTML5 connections. Affected products include: Ivanti Neurons For Secure Access, Ivanti Connect Secure, Ivanti Policy Secure, Ivanti Zero Trust Access Gateway. Version information: before 22.7.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.