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CVE-2025-55142: Critical Authorization Bypass Vulnerability in Ivanti Products

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Overview

The Common Vulnerability and Exposures (CVE) system has recorded a critical security flaw identified as CVE-2025-55142. This vulnerability affects multiple Ivanti products, including Ivanti Connect Secure, Ivanti Policy Secure, Ivanti ZTA Gateway, and Ivanti Neurons for Secure Access. If exploited, this flaw allows an authenticated attacker with read-only admin privileges to manipulate authentication-related settings, potentially compromising the system or leading to data leakage. Given the severity of the vulnerability and the potential for significant harm, it’s crucial for organizations using these Ivanti products to understand this issue and take appropriate measures to mitigate it.

Vulnerability Summary

CVE ID: CVE-2025-55142
Severity: Critical (8.8 out of 10)
Attack Vector: Network
Privileges Required: Low (Authenticated with Read-Only Admin access)
User Interaction: None
Impact: System compromise or data leakage

Affected Products

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Product | Affected Versions

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
Ivanti Neurons for Secure Access | Before 22.8R1.4

How the Exploit Works

The vulnerability arises from a missing authorization check in the affected Ivanti products. An authenticated user with read-only admin privileges can exploit this flaw by sending a specially crafted request to the server. Since the server does not adequately verify the user’s permissions before processing the request, the attacker can modify authentication-related settings. This manipulation could potentially grant them higher privileges or even full control of the system.

Conceptual Example Code

Here’s a conceptual example, in the form of an HTTP request, of how the vulnerability might be exploited:

PATCH /api/configure/authentication HTTP/1.1
Host: target.example.com
Content-Type: application/json
Authorization: Bearer [Insert Auth Token]
{ "admin_privileges": "full_control" }

In this example, the attacker is sending a PATCH request to the `configure/authentication` endpoint. The request aims to change the `admin_privileges` setting to “full_control”. Since the server doesn’t properly check the user’s authorization, it accepts and processes this request, potentially granting the attacker full control of the system.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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