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CVE-2020-14496 is a permission issue in multiple Mitsubishi Electric Factory Automation (FA) engineering software products. According to the provided advisory content, some files in affected products are assigned improper permissions, allowing a malicious attacker to replace them with crafted files. If those replaced files are later executed by a user with administrator privileges, the attacker can escalate privileges and run malicious code. The issue is classified as CWE-275. Affected products include numerous Mitsubishi Electric engineering tools such as GX Works2, GX Works3, GT Designer3 Version1 (GOT2000), GT SoftGOT1000 Version3, GT SoftGOT2000 Version1, CPU Module Logging Configuration Tool, EZSocket, FR Configurator2, GX LogViewer, MELSOFT Navigator, MX Component, RT ToolBox3, and Data Transfer, among others, in vulnerable versions identified by Mitsubishi Electric and CISA.
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