Aperçu
Adobe Commerce versions 2.4.9-alpha2 and earlier contain an improper input validation vulnerability that can lead to security feature bypass. This flaw enables attackers to achieve session takeover without requiring any user interaction, posing a critical risk to e-commerce installations. La vulnérabilité a été divulguée le September 9, 2025. CISA a identifié CVE-2025-54236 comme étant exploitée mais n'est pas actuellement connue pour être utilisée dans des campagnes de rançongiciel.
Détails techniques
Adobe Commerce contains an improper input validation vulnerability in a critical security mechanism. The vulnerability allows attackers to bypass security features that protect user sessions, enabling unauthorized session takeover. The flaw exists in how the application validates and processes user input related to session management or authentication tokens.
La vulnérabilité est classifiée comme CWE-20 (Improper Input Validation) , CWE-384 (Session Fixation) etCWE-613 (Insufficient Session Expiration) .
La vulnérabilité a reçu un score de base CVSS v3.1 de 9.8 (CRITICAL) avec la chaîne vectorielle CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, indiquant sa nature critical.
Impact
An unauthenticated attacker can exploit this vulnerability to bypass security features and take over legitimate user sessions. This could result in: - **Account Takeover**: Complete control over customer or admin accounts - **Data Breach**: Access to sensitive customer data, payment information, and order history - **Unauthorized Transactions**: Ability to place orders, modify purchases, or process refunds - **Admin Access**: In worst-case scenarios, attackers could gain administrative privileges - **Store Compromise**: Potential to modify product listings, steal customer data, or inject malicious content - **Reputation Damage**: Loss of customer trust and compliance violations (PCI-DSS, GDPR) - **Financial Loss**: Direct losses from fraudulent transactions and remediation costs
Mitigation et contournements
1. Backup your Adobe Commerce installation including database and media files 2. Download the latest security patch from Adobe Commerce Security Center 3. Apply the patch using composer: ``` composer require adobe-commerce/magento-cloud-patches ./bin/magento setup:upgrade ./bin/magento cache:clean ``` 4. If using Magento Cloud, the patch will be automatically applied 5. Verify the patch installation by checking the version number 6. Clear all user sessions to prevent exploitation of existing tokens: ``` ./bin/magento session:clear ``` Les versions suivantes incluent les correctifs nécessaires : Adobe Commerce 2.4.8-p4 or later, Magento Open Source 2.4.8-p4 or later, Adobe Commerce 2.4.9 release version (stable, when available).
Comme contournements temporaires : immediately invalidate all active user sessions and force users to re-authenticate. implement temporary additional session validation controls.; restrict access to adobe commerce admin panel to specific ip addresses or networks to reduce attack surface.; enable web application firewall (waf) rules to detect and block suspicious session-related requests and input patterns., et monitor session logs and authentication attempts for anomalies; implement real-time alerting for suspicious activities..
Recommandation de CISA : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ressources additionnelles
Source : Ce rapport a été généré par IA
