External risk intelligence

Ivanti Sentry Authentication Bypass.

CVE advisoryKnown Exploit

CVE-2023-38035

A vulnerability in Ivanti MobileIron Sentry affects its administrative portal, allowing attackers to bypass authentication. This poses a business risk by potentially granting unauthorized access to administrative functions. Affected organizations should identify all instances of the product and implement vendor solutio

5Halo Surface Signal

Ivanti Mobileiron Sentry

9.18.0 and earlier

External exposure likelihood

Halo Surface Signal score for CVE-2023-38035

This vulnerability affects the administrative interface of Ivanti MobileIron Sentry, which is an edge gateway appliance. Such gateways are designed to be internet-facing to facilitate mobile device management and secure access, placing the administrative management surface in a position where it is highly likely to be reachable from the public internet.

Horizon Alert

Summary of the vulnerability and why it matters

This security vulnerability affects Ivanti MobileIron Sentry. The flaw allows unauthorized access to the administrative interface, potentially enabling attackers to bypass security controls. This could lead to significant business risk if sensitive administrative functions are compromised.

  • Vulnerable component: Ivanti MobileIron Sentry administrative portal.
  • Core weakness: Insufficiently restrictive Apache HTTPD configuration.
  • Main business impact: Authentication bypass on administrative interface.

Attack Path

How an attacker could exploit the issue

An attacker could gain unauthorized access to an organization's administrative interface. This occurs when the system is exposed externally and an attacker finds a way to bypass authentication. The attacker can then execute commands, leading to significant impact on the business.

  • External exposure of the system.
  • Attacker bypasses authentication.
  • Control over administrative functions.

Live Threat

Current exploitation, exposure, and threat context

A critical vulnerability exists in Ivanti MobileIron Sentry's administrative portal, potentially allowing unauthorized access to administrative functions. This bypass of authentication controls could lead to significant compromise of the system and its data. Given the severity, organizations should prioritize addressing this issue.

  • Attacker skill level: Low
  • Conditions: Publicly accessible administrative interface
  • Business risk or urgency: High

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability impacts the administrative interface of Ivanti MobileIron Sentry, potentially allowing unauthorized access and control. Organizations should prioritize identifying all instances of this product, assessing their exposure, and implementing vendor-provided solutions. Continuous monitoring is essential to detect any related malicious activity.

  • Identify all affected Sentry assets.
  • Reduce exposure or isolate risk.
  • Apply vendor fix and validate.
  • Monitor for related issues.

Frequently asked questions

What is the primary function of Ivanti MobileIron Sentry and where does this vulnerability lie?

Ivanti MobileIron Sentry is an edge gateway appliance designed for mobile device management and secure access. This vulnerability is located in its administrative portal, specifically due to an insufficiently restrictive Apache HTTPD configuration that allows authentication bypass.

How does the Apache HTTPD configuration weakness in Ivanti MobileIron Sentry enable an attack?

The vulnerability stems from an insufficiently restrictive Apache HTTPD configuration within the Ivanti MobileIron Sentry administrative portal. This weakness allows attackers to bypass authentication controls, granting them unauthorized access to the administrative interface.

What is the potential impact of an attacker bypassing authentication on the Ivanti MobileIron Sentry administrative interface?

If an attacker successfully bypasses authentication on the administrative interface, they could gain unauthorized access and control over administrative functions. This could lead to significant business risk, potentially resulting in system compromise and data breaches.

What makes the Ivanti MobileIron Sentry vulnerability particularly concerning, as indicated by Halo Surface Signal?

Halo Surface Signal rates this vulnerability as 'Very likely' to be exploited because Ivanti MobileIron Sentry appliances are often internet-facing edge gateways. This placement makes their administrative management surfaces highly probable targets for attackers on the public internet.

What steps should organizations take to respond to this Ivanti Sentry vulnerability?

Organizations should prioritize identifying all Ivanti MobileIron Sentry assets, assessing their external exposure, and applying vendor-provided solutions. Continuous monitoring for related malicious activity and isolating or reducing risk for affected systems are also crucial.

References