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.
