CVE-2025-55143

MEDIUM
2025-09-09 3c1d8aa1-5a33-4ea4-8992-aadd6440af75
6.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:11 vuln.today
CVE Published
Sep 09, 2025 - 16:15 nvd
MEDIUM 6.1

Description

Reflected text injection 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 unauthenticated attacker to inject arbitrary text into a crafted HTTP response. User interaction is required.

Analysis

Reflected text injection 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 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Reflected text injection 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 unauthenticated attacker to inject arbitrary text into a crafted HTTP response. User interaction is required. Affected products include: Ivanti Connect Secure, Ivanti Policy Secure, Ivanti Zero Trust Access Gateway, Ivanti Neurons For Secure Access. Version information: before 22.7.

Affected Products

Ivanti Connect Secure, Ivanti Policy Secure, Ivanti Zero Trust Access Gateway, Ivanti Neurons For Secure Access.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

31
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: 0

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CVE-2025-55143 vulnerability details – vuln.today

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