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An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.

CVE-2023-5966 is a critical vulnerability identified in EspoCRM version 7.2.5, classified under CWE-434: Unrestricted Upload of File with Dangerous Type. This vulnerability allows an authenticated attacker with privileged access to upload a specially crafted ZIP archive through the extension deployment form on the EspoCRM server. The flaw arises because the application does not properly validate or restrict the types of files contained within the uploaded archive. Consequently, an attacker can include malicious PHP code within the ZIP file, which the server may then execute, leading to arbitrary PHP code execution. This can result in complete compromise of the affected EspoCRM instance, allowing the attacker to execute commands, manipulate data, or pivot further into the network. The vulnerability has a CVSS v3.1 score of 9.1, indicating a critical severity level. The attack vector is network-based (AV:N), requires low attack complexity (AC:L), but does require high privileges (PR:H) and no user interaction (UI:N). The scope is changed (S:C), meaning the vulnerability can affect resources beyond the initially vulnerable component. The impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). No known exploits are currently reported in the wild, but the potential for exploitation is significant given the nature of the vulnerability and the criticality of the affected system. EspoCRM is a customer relationship management platform used by organizations to manage business processes and customer data, making this vulnerability particularly sensitive.

Detailed information about CVE-2023-5966: CWE-434 Unrestricted Upload of File with Dangerous Type in EspoCRM EspoCRM affecting EspoCRM EspoCRM. Get real-time up

CVE-2023-5966: CWE-434 Unrestricted Upload of File with Dangerous Type in EspoCRM EspoCRM - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-5966: CWE-434 Unrestricted Upload of File with Dangerous Type in EspoCRM EspoCRM

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