ZDI-19-950: Advantech WISE-PaaS/RMM UpgradeMgmt upload_ota Directory Traversal Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WISE-PasS/RMM. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the UpgradeMgmt class. When parsing the frmUpdateSetting_UploadFileFullName parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

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• agent/references
• agent/softwarecombine
• collector/zdi-advisory
• source/ZDI
• alias/ZDI-19-950
• alias/ZDI-CAN-9173
• alias/CVE-2019-13551
• agent/software-canonical-lookup
• agent/title
• agent/severity
• agent/tags
• agent/type
• agent/description
• agent/event
• vendor/advantech
• canonical/advantech wise-paas/rmm