CVE-2025-34071
GFI Kerio Control Unsigned System Image Upload Root Code Execution
CVSS v3
9.8
CRITICAL
Score EPSS
3.1 %
probabilité d’exploitation
CISA KEV
Non
exploitation connue
Exploitation
poc
statut SSVC
Description
A remote code execution vulnerability in GFI Kerio Control 9.4.5 allows attackers with administrative access to upload and execute arbitrary code through the firmware upgrade feature. The system upgrade mechanism accepts unsigned .img files, which can be modified to include malicious scripts within the upgrade.sh or disk image components. These modified upgrade images are not validated for authenticity or integrity, and are executed by the system post-upload, enabling root access.
Détails techniques
- Vecteur CVSS v3
- 3.1
- Publiée le
- 2025-07-02
- Dernière modification
- 2026-06-17
Questions fréquentes
Qu’est-ce que CVE-2025-34071 ?
A remote code execution vulnerability in GFI Kerio Control 9.4.5 allows attackers with administrative access to upload and execute arbitrary code through the firmware upgrade feature. The system upgrade mechanism accepts unsigned .img files, which can be modified to include malicious scripts within the upgrade.sh or disk image components. These modified upgrade images are not validated for authenticity or integrity, and are executed by the system post-upload, enabling root access.
CVE-2025-34071 est-elle activement exploitée ?
Une preuve de concept existe pour CVE-2025-34071, mais aucune exploitation active n’est confirmée à ce jour.
Quel est le score CVSS de CVE-2025-34071 ?
CVE-2025-34071 a un score de base CVSS v3 de 9.8 (gravité CRITICAL), avec le vecteur 3.1.
CVE-2025-34071 touche-t-elle votre environnement ?
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Classées par probabilité d’exploitation (EPSS).