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CVE-2025-49554: Adobe Commerce Input Validation Vulnerability Leading to Denial-of-Service

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Overview

The CVE-2025-49554 vulnerability is a significant security flaw found in multiple versions of Adobe Commerce. This flaw, characterized by improper input validation, could potentially lead to a system-wide denial-of-service (DoS), rendering the application unresponsive or causing it to crash. This vulnerability poses a serious threat as it does not necessitate user interaction for exploitation, thereby increasing its potential for misuse.

Vulnerability Summary

CVE ID: CVE-2025-49554
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and data leakage due to application denial-of-service.

Affected Products

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Product | Affected Versions

Adobe Commerce | 2.4.9-alpha1
Adobe Commerce | 2.4.8-p1
Adobe Commerce | 2.4.7-p6
Adobe Commerce | 2.4.6-p11
Adobe Commerce | 2.4.5-p13
Adobe Commerce | 2.4.4-p14 and earlier versions

How the Exploit Works

The vulnerability resides in the input validation mechanism of Adobe Commerce. An attacker can exploit this by sending specially crafted malicious input to the application. This improperly validated input could lead to a denial-of-service (DoS) condition, causing the application to crash or become unresponsive.

Conceptual Example Code

Below is a conceptual example of how the vulnerability could be exploited. This code represents a HTTP request with malicious payload.

POST /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "malicious_payload": "specially_crafted_input" }

Please note that the above is a conceptual example and the actual exploit could vary based on the attacker’s approach and the specific system configuration. It’s of utmost importance to apply the vendor-released patch immediately or use a WAF/IDS as temporary mitigation to protect against potential exploitation.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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