CVE DatabaseCVE-2025-4427

Updated 2026-06-17한국어 권고문 →

CVE-2025-44277.5/HIGHCISA KEVCWE-288

Ivanti Endpoint Manager Mobile (EPMM) API Authentication Bypass Vulnerability (CVE-2025-4427) Urgent Security Advisory

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Affected Vendors

ivanti

Affected Components

endpoint manager mobile, epmm

Published Date

2025-05-13

CVSS v3.1

7.5

HIGH

EPSS (30d)

99.9%

FIRST.org

CISA KEV

Exploited

NVD Source ↗

Executive & SecOps Summary

SECOPS ASSESSMENT

Affected Scope

Ivanti Endpoint Manager Mobile (EPMM) versions 12.5.0.0 and prior

Impact

Unauthenticated remote attackers can bypass authentication via the API component to access protected resources and sensitive data without credentials

Mitigation

Immediately apply the official vendor security patches and restrict external access to the API endpoints

Affected Products & Version Scope

All Ivanti Endpoint Manager Mobile (EPMM) versions 12.5.0.0 and prior

Remediation & Live Workaround Commands

PATCH & WORKAROUND

1. Official Patch & Version Upgrade Commands

Administrators must immediately upgrade EPMM to the patched release recommended by Ivanti. Use the following CLI commands on the EPMM appliance to check the version and apply updates:

bash

# Verify the current EPMM software version
show version

# Download and install the latest secure software update\software update install

2. Temporary Workaround & Hardening Configuration

If patching cannot be performed immediately, restrict access to the EPMM API endpoints at the network perimeter. Below is an example of restricting API access using an Nginx reverse proxy configuration:

nginx

# Nginx configuration to restrict access to sensitive EPMM API paths
server {
    listen 443 ssl;
    server_name epmm.company.local;

    # Restrict API endpoints to trusted internal IP ranges only
    location /mifs/api/ {
        allow 10.0.0.0/8;
        allow 192.168.1.0/24;
        deny all;
        proxy_pass https://backend_epmm;
    }
}

3. Log Audit & IoC Verification Commands

Inspect the EPMM access logs for potential indicators of compromise (IoCs) related to unauthorized API access. Use the following command to search for successful API requests that lack proper user context:

bash

# Search access logs for successful API requests without authenticated user context
grep -E '/mifs/.*api/' /var/log/httpd/access_log | grep ' 200 ' | grep -v 'authenticated_user'

Interactive SecOps Remediation Checklist

0/4 (0%)

Recommended Security Control & Mitigation Partner

NordLayer / Zero-Trust Network Access

With active exploitation confirmed and an EPSS score of 0.9993, immediate patching or strict API access control is highly recommended.

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Technical Root Cause & Exploitation Mechanics

1. Vulnerability Overview & Root Cause

This vulnerability (CVE-2025-4427) is an authentication bypass flaw in the API component of Ivanti Endpoint Manager Mobile (EPMM, formerly MobileIron). It stems from an insufficient validation mechanism (CWE-288) within the API routing and authentication middleware. Due to this design flaw, the system fails to properly enforce credential verification on specific API endpoints, allowing unauthorized requests to bypass security controls.

2. Exploitation Mechanics & Attack Scenario

An attacker can exploit this vulnerability by sending specially crafted HTTP requests directly to the exposed EPMM API endpoints. Because the authentication check is bypassed, the attacker can execute API calls that are normally restricted to authenticated administrators or users. With low attack complexity (AC:L), no privileges required (PR:N), and no user interaction (UI:N), this vulnerability is highly susceptible to automated exploitation. It has been added to the CISA KEV catalog due to active exploitation in the wild.

3. Infrastructure & Business Impact

EPMM serves as a critical gateway for managing enterprise mobile devices and security policies. Successful exploitation of this vulnerability allows attackers to harvest sensitive device details, user credentials, and internal network configurations. This exposure can lead to subsequent lateral movement, supply chain attacks, and complete compromise of the enterprise mobility infrastructure.

Official Vendor Advisories & References

NVD Original English Description

An authentication bypass in the API component of Ivanti Endpoint Manager Mobile 12.5.0.0 and prior allows attackers to access protected resources without proper credentials via the API.

https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM

Source: 3c1d8aa1-5a33-4ea4-8992-aadd6440af75 · Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-4427

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 · US Government Resource

Frequently Asked SecOps Questions (CVE-2025-4427)

FAQ

Q1. How critical is CVE-2025-4427 and is it actively exploited in the wild?

CVE-2025-4427 is rated CVSS 7.5 (HIGH) with a 30-day EPSS exploitation probability of 99.9%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.

Q2. Which vendors and products are affected by CVE-2025-4427?

Primary impacted vendors include ivanti across endpoint manager mobile, epmm. Scope summary: All Ivanti Endpoint Manager Mobile (EPMM) versions 12.5.0.0 and prior

Q3. What temporary mitigations or workarounds exist for CVE-2025-4427 before patching?

[Mitigation] Immediately apply the official vendor security patches and restrict external access to the API endpoints Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.

SECOPS WORKBENCH INTEGRATION