External risk intelligence

Ivanti Connect Secure Command Injection Risk.

CVE advisoryKnown Exploit

CVE-2024-21887

A command injection vulnerability affects Ivanti Connect Secure and Policy Secure web components, allowing authenticated administrators to run arbitrary commands. This poses a business risk, potentially impacting system control and data integrity for affected organizations.

5Halo Surface Signal

Command Injection

Ivanti Connect Secure

9.09.122.122.222.322.422.522.6

External exposure likelihood

Halo Surface Signal score for CVE-2024-21887

Ivanti Connect Secure and Policy Secure are enterprise VPN and network gateway appliances. These products are designed specifically to be public-facing to facilitate remote access and network connectivity, placing their web management and gateway components directly on the network edge.

Horizon Alert

Summary of the vulnerability and why it matters

A command injection vulnerability exists in the web components of Ivanti Connect Secure and Ivanti Policy Secure appliances. This flaw permits an authenticated administrator to execute arbitrary commands on the affected appliance by sending specially crafted requests. The exploitation of this vulnerability can lead to significant business risks, including unauthorized access and control over critical network infrastructure.

  • Vulnerable web components
  • Command execution flaw
  • Unauthorized system control

Attack Path

How an attacker could exploit the issue

A command injection vulnerability exists in Ivanti Connect Secure and Ivanti Policy Secure. An authenticated administrator can exploit this by sending specially crafted requests. This allows for the execution of arbitrary commands on the affected appliance, potentially leading to significant compromise.

  • Exposed web components
  • Authenticated administrator
  • Crafted requests lead to command execution

Live Threat

Current exploitation, exposure, and threat context

The identified vulnerability in Ivanti Connect Secure and Ivanti Policy Secure allows for command injection by an authenticated administrator. Attackers can exploit this by sending specially crafted requests to the appliance, potentially leading to the execution of arbitrary commands. This could result in significant business risk if sensitive data is compromised or system operations are disrupted.

  • Likely attacker skill level: Administrator privileges required.
  • Required access or conditions: Authenticated access to the appliance.
  • Business risk or urgency: High impact, potential for critical damage.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

A command injection vulnerability exists in Ivanti Connect Secure and Ivanti Policy Secure web components. An authenticated administrator can exploit this by sending specially crafted requests, leading to the execution of arbitrary commands on the appliance. This vulnerability has been observed in active campaigns, indicating a significant business risk.

  • Identify all Ivanti Connect Secure and Policy Secure assets.
  • Isolate or reduce exposure of affected systems.
  • Apply vendor fixes, verify remediation, and monitor for issues.

Frequently asked questions

What are Ivanti Connect Secure and Policy Secure appliances?

Ivanti Connect Secure and Ivanti Policy Secure are network gateway appliances that provide secure remote access and manage network connectivity. They enable administrators to enforce security policies and control user and device access to the network.

What type of vulnerability is CVE-2024-21887?

CVE-2024-21887 is a command injection vulnerability within the web components of Ivanti Connect Secure and Ivanti Policy Secure. This weakness allows an authenticated administrator to execute arbitrary commands on the appliance by sending specially crafted requests.

How can an authenticated administrator exploit CVE-2024-21887?

An authenticated administrator can exploit this vulnerability by sending crafted requests to the affected web components. This action can lead to the execution of unintended commands on the appliance, potentially compromising system control.

What is the significance of CVE-2024-21887's external exposure?

The CVSS v3.1 attack vector for CVE-2024-21887 is classified as 'Network', meaning it can be exploited over the internet. This external exposure, combined with its presence on public-facing VPN and gateway appliances, signifies a very likely threat for targeted enterprises, as noted by Halo Surface Signal.

What steps should be taken to address this vulnerability?

Organizations should identify all Ivanti Connect Secure and Policy Secure assets, and isolate or limit the exposure of affected systems. Applying vendor-provided fixes is crucial, followed by verification of remediation and ongoing monitoring for any related issues.

References

Cyber Threat Intelligence (CTI)

Sources: malpedia, threatActor, tool