CVE-2024-34108: Adobe Commerce RCE Vulnerability

CVE-2024-34108 Overview

CVE-2024-34108 is an Improper Input Validation vulnerability [CWE-20] affecting Adobe Commerce and Magento Open Source. The flaw impacts Adobe Commerce versions 2.4.7, 2.4.6-p5, 2.4.5-p7, 2.4.4-p8, and earlier releases. Exploitation allows arbitrary code execution in the context of the current user. The attacker requires administrative privileges, and the scope changes upon successful exploitation. No user interaction is needed to trigger the vulnerability.

Critical Impact
An authenticated administrator can execute arbitrary code on the underlying Adobe Commerce or Magento host, potentially compromising storefront data, customer records, and downstream services.

Affected Products

Adobe Commerce (versions 2.3.7 through 2.4.7, including patch releases up to 2.4.6-p3)
Adobe Commerce Webhooks
Magento Open Source (versions 2.4.4 through 2.4.7-b1)

Discovery Timeline

2024-06-13 - CVE-2024-34108 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-34108

Vulnerability Analysis

The vulnerability stems from improper input validation within Adobe Commerce and the Adobe Commerce Webhooks component. Adobe Commerce fails to adequately validate certain inputs supplied through administrative interfaces or connected components. The improper validation allows crafted input to influence code paths that execute in the current user's context, resulting in arbitrary code execution. Because the CVSS scope is changed, code execution can extend beyond the initially vulnerable component and affect other resources on the host or connected services. The vulnerability requires network access and high privileges but does not require user interaction, making it exploitable by any authenticated administrator or attacker who has already compromised an administrative account.

Root Cause

The root cause is categorized as CWE-20, Improper Input Validation. Adobe Commerce accepts input from privileged administrative surfaces without enforcing sufficient constraints on structure, type, or content. Malicious payloads passing through these input paths are processed by downstream components in a manner that permits code execution rather than being rejected or sanitized.

Attack Vector

An attacker must first obtain administrative credentials or hijack an authenticated admin session on the target Adobe Commerce or Magento instance. Once authenticated with high privileges, the attacker submits crafted input through the vulnerable interface. The improperly validated data reaches a code path that executes it in the user's context, yielding arbitrary code execution on the server. Because the vulnerability chains from admin access to full server-side code execution, it is commonly weaponized after credential theft, brute-force attacks against admin panels, or exploitation of other Magento admin-level bugs. See the Adobe Security Advisory APSB24-40 for vendor guidance.

Detection Methods for CVE-2024-34108

Indicators of Compromise

Unexpected PHP files or modified templates within pub/, app/code/, or var/ directories on the Magento host.
Outbound network connections from the web server process to unknown external IPs shortly after admin activity.
Anomalous entries in var/log/exception.log or var/log/system.log referencing unfamiliar modules or webhook payloads.
New administrator accounts, altered cron entries, or unexpected extensions registered in the core_config_data table.

Detection Strategies

Audit administrator authentication events and correlate with subsequent configuration or webhook changes to identify suspicious sequences.
Monitor Adobe Commerce Webhooks configuration for creation or modification of webhook endpoints pointing to unfamiliar destinations.
Deploy file integrity monitoring across Magento application directories to detect unauthorized code drops.

Monitoring Recommendations

Ingest Magento application logs, web server access logs, and admin panel audit trails into a centralized logging platform for correlation.
Alert on POST requests to admin endpoints that immediately precede spawning of PHP or shell child processes.
Track outbound egress from the Commerce web tier and flag connections to non-approved destinations.

How to Mitigate CVE-2024-34108

Immediate Actions Required

Apply the security updates referenced in Adobe Security Bulletin APSB24-40 to all affected Adobe Commerce and Magento Open Source instances.
Rotate credentials for all administrator accounts and enforce multi-factor authentication on the admin panel.
Review admin activity logs for evidence of exploitation prior to patching and investigate any suspicious sessions.

Patch Information

Adobe released fixes in the security update published as Adobe Security Advisory APSB24-40. Administrators should upgrade to the patched release for their branch (2.4.7-p1, 2.4.6-p6, 2.4.5-p8, or 2.4.4-p9 or later). The advisory also covers the Adobe Commerce Webhooks module, which must be updated to the corresponding fixed version.

Workarounds

Restrict access to the Magento admin URL through IP allowlisting or a VPN to reduce exposure of the authenticated attack surface.
Enforce the principle of least privilege by removing unnecessary administrator accounts and limiting webhook management permissions.
Rename the default /admin path and enable rate limiting on the admin login endpoint to slow credential-based attacks.

bash

# Configuration example: restrict Magento admin access by IP in nginx
location ~* ^/(admin|index.php/admin) {
    allow 203.0.113.0/24;   # trusted admin network
    deny all;
    try_files $uri $uri/ /index.php?$args;
}