CVE-2025-22467: Ivanti Connect Secure RCE Vulnerability

CVE-2025-22467 Overview

A stack-based buffer overflow vulnerability exists in Ivanti Connect Secure versions before 22.7R2.6, which allows a remote authenticated attacker to achieve remote code execution.

Critical Impact
This vulnerability allows attackers to take full control of the affected system, potentially leading to data breaches or service disruptions.

Affected Products

Ivanti Connect Secure 22.7R1
Ivanti Connect Secure 22.7R1.1
Ivanti Connect Secure 22.7R1.2

Discovery Timeline

Not Available - Vulnerability discovered by Not Available
Not Available - Responsible disclosure to Ivanti
Not Available - CVE CVE-2025-22467 assigned
Not Available - Ivanti releases security patch
2025-02-11 - CVE CVE-2025-22467 published to NVD
2025-02-20 - Last updated in NVD database

Technical Details for CVE-2025-22467

Vulnerability Analysis

The vulnerability is a stack-based buffer overflow, exploitable via network access. It is triggered by an authenticated attacker sending specially crafted data packets to the Ivanti Connect Secure service, resulting in a buffer overflow condition.

Root Cause

The root cause of this vulnerability is improper input length validation, which allows buffer overflow conditions during data processing in network requests.

Attack Vector

The attack vector is network-based, requiring an authenticated user to send malicious packets to the Ivanti Connect Secure system.

// Example exploitation code (sanitized)
void exploit_function(char *input) {
    char buffer[128];
    strcpy(buffer, input); // Oversized input causes buffer overflow
}

Detection Methods for CVE-2025-22467

Indicators of Compromise

Unusual network traffic to Ivanti Connect Secure
Presence of unexpected processes running on the Ivanti device
Unauthorized access attempts logged in the system

Detection Strategies

Deploy threat detection systems to monitor for anomalous activities distinctly related to network packet structures associated with this vulnerability.

Monitoring Recommendations

Continuously monitor network traffic logs for signs of overflow attempts and implement strict access controls to prevent unauthorized data submissions.

How to Mitigate CVE-2025-22467

Immediate Actions Required

Apply security patches provided by Ivanti immediately.
Limit network exposure to the affected Ivanti Connect Secure service.
Audit user accounts with access to the affected system.

Patch Information

Ivanti has released patches in response to this vulnerability. Users should refer to the Vendor Advisory for the latest security updates.

Workarounds

As a temporary workaround, disable unnecessary network services and minimize user permissions to mitigate the potential exploitation until patches can be applied.

bash

# Configuration example
iptables -A INPUT -p tcp --dport $SERVICE_PORT -j DROP