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IceWarp Webclient before 10.2.1 has a directory traversal vulnerability. This can result in loss of confidential data of IceWarp Mailserver and the operating system. Input passed via a certain parameter (_c to basic/index.html) is not properly sanitised and can therefore be exploited to browse the partition where IceWarp is installed (or the whole system) and read arbitrary files.
Use CWE-22, Icewarp vendor hub and Webclient product page to widen CVE-2010-5334 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2010-5335, CVE-2023-43319 and CVE-2023-39598 for nearby disclosures in the same product family.