External risk intelligence

Attacker can bypass Ivanti vTM admin login to control your systems.

CVE advisoryKnown Exploit

CVE-2024-7593

Ivanti Virtual Traffic Manager has a critical flaw allowing unauthorized remote attackers to bypass admin login, potentially taking control of your network traffic systems. This vulnerability is actively exploited.

4Halo Surface Signal

Authentication Bypass

Ivanti Virtual Traffic Manager

22.222.322.522.622.7

External exposure likelihood

Halo Surface Signal score for CVE-2024-7593

Ivanti Virtual Traffic Manager is a network appliance used for traffic management and gateway services. Although administrative panels are generally restricted to internal segments, they are frequently exposed to the public internet or managed remotely, making them a common target for external unauthorized access.

Horizon Alert

Summary of the vulnerability and why it matters

An authentication flaw in Ivanti Virtual Traffic Manager allows an unauthenticated attacker to bypass the login and gain administrative access. This is a critical issue that could allow unauthorized individuals to take control of your traffic management system.

  • Bypass of admin panel authentication.
  • Remote, unauthenticated access possible.
  • Potentially impacts system control.

Attack Path

How an attacker could exploit the issue

A remote, unauthenticated attacker can exploit this flaw to bypass the admin panel's authentication mechanism, potentially creating a new administrator account. This could allow an attacker to gain full control over the Ivanti vTM appliance and redirect or disrupt traffic.

  • Unauthenticated network access
  • Target: Admin panel authentication
  • Create administrator account

Live Threat

Current exploitation, exposure, and threat context

This vulnerability is a prime target for attackers due to its critical severity and the direct pathway it offers to unauthorized administrative access. The ability to bypass authentication for an entire admin panel without needing any prior credentials is a significant weakness.

  • Listed on CISA's KEV.
  • Recently added to KEV.
  • Allows admin panel bypass.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize isolating Ivanti vTM instances to prevent unauthorized administrative access, especially since this critical vulnerability is actively exploited. Teams should focus on identifying all deployed Ivanti vTM systems and segmenting them from external access immediately. Monitor network traffic for any signs of attempted or successful bypass of the admin panel authentication.

  • Block external access to admin panels.
  • Isolate affected Ivanti vTM instances.
  • Monitor for authentication bypass attempts.

Frequently asked questions

What is the vulnerability in Ivanti Virtual Traffic Manager?

An incorrect implementation of an authentication algorithm in Ivanti Virtual Traffic Manager (vTM) allows a remote, unauthenticated attacker to bypass the admin panel's authentication. This weakness, identified as CWE-287 and CWE-303, can enable an attacker to create a new administrator account.

How can an attacker exploit the Ivanti vTM authentication bypass?

The attacker can exploit this vulnerability by sending specially crafted requests to the admin panel, which will bypass the authentication mechanism without requiring any credentials. This provides a direct pathway for unauthorized administrative access.

What is the impact of bypassing authentication in Ivanti vTM?

Bypassing the authentication in Ivanti vTM can lead to an attacker gaining full administrative control over the appliance. This control could be used to redirect traffic, disrupt services, or potentially compromise the entire system.

Why is CVE-2024-7593 considered a significant threat?

This vulnerability is highly significant because it's listed on CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation. The ability for an unauthenticated attacker to bypass administrative login controls makes it a prime target for malicious actors.

What steps should be taken to address the Ivanti vTM vulnerability?

To mitigate this critical vulnerability, it is recommended to immediately isolate Ivanti vTM instances from external access, particularly to the admin panels. Organizations should also monitor network traffic for any suspicious authentication bypass attempts and apply vendor-provided mitigations as soon as they are available.

References